Here are the missing tags that need to be worked on. If there's really no project associated with a presentation, then project:
(blank) can be added to silence the warning.
presentation #0 in _data/people/jlefevre.yml must contain location.
presentation #1 in _data/people/jlefevre.yml must contain location.
presentation #2 in _data/people/jlefevre.yml must contain location.
presentation #3 in _data/people/jlefevre.yml must contain location.
presentation #4 in _data/people/jlefevre.yml must contain location.
presentation #5 in _data/people/jlefevre.yml must contain location.
presentation #3 in _data/people/pelmer.yml must contain location.
presentation #4 in _data/people/pelmer.yml must contain location.
presentation #1 in _data/people/mweinberg2718.yml must contain project.
presentation #2 in _data/people/mweinberg2718.yml must contain project.
presentation #3 in _data/people/mweinberg2718.yml must contain location, project.
presentation #1 in _data/people/fatala22.yml must contain location.
presentation #2 in _data/people/fatala22.yml must contain location.
presentation #3 in _data/people/fatala22.yml must contain location.
presentation #5 in _data/people/fatala22.yml must contain location.
presentation #6 in _data/people/fatala22.yml must contain location.
presentation #7 in _data/people/fatala22.yml must contain location.
presentation #9 in _data/people/fatala22.yml must contain location.
presentation #10 in _data/people/fatala22.yml must contain location.
presentation #11 in _data/people/fatala22.yml must contain location.
presentation #0 in _data/people/wguan.yml must contain location.
presentation #1 in _data/people/wguan.yml must contain location.
presentation #2 in _data/people/wguan.yml must contain location.
presentation #3 in _data/people/wguan.yml must contain location.
presentation #4 in _data/people/wguan.yml must contain location.
presentation #5 in _data/people/wguan.yml must contain location.
presentation #6 in _data/people/wguan.yml must contain location.
presentation #7 in _data/people/wguan.yml must contain location.
presentation #8 in _data/people/wguan.yml must contain location.
presentation #9 in _data/people/wguan.yml must contain location.
presentation #10 in _data/people/wguan.yml must contain location.
presentation #11 in _data/people/wguan.yml must contain location.
presentation #1 in _data/people/drankincms.yml must contain location.
presentation #0 in _data/people/mmasciov.yml must contain location.
presentation #1 in _data/people/mmasciov.yml must contain location.
presentation #0 in _data/people/meevans1.yml must contain focus-area, project.
presentation #1 in _data/people/meevans1.yml must contain focus-area, project.
presentation #2 in _data/people/meevans1.yml must contain focus-area, project.
presentation #3 in _data/people/meevans1.yml must contain focus-area, project.
presentation #4 in _data/people/meevans1.yml must contain focus-area, project.
presentation #5 in _data/people/meevans1.yml must contain focus-area, project.
presentation #6 in _data/people/meevans1.yml must contain focus-area, project.
presentation #7 in _data/people/meevans1.yml must contain focus-area, project.
presentation #8 in _data/people/meevans1.yml must contain focus-area, project.
presentation #9 in _data/people/meevans1.yml must contain focus-area, project.
presentation #0 in _data/people/cranmer.yml must contain focus-area, project.
presentation #1 in _data/people/cranmer.yml must contain focus-area, project.
presentation #2 in _data/people/cranmer.yml must contain focus-area, project.
presentation #3 in _data/people/cranmer.yml must contain location, project.
presentation #4 in _data/people/cranmer.yml must contain focus-area, project.
presentation #5 in _data/people/cranmer.yml must contain focus-area, project.
presentation #6 in _data/people/cranmer.yml must contain focus-area, project.
presentation #7 in _data/people/cranmer.yml must contain project.
presentation #8 in _data/people/cranmer.yml must contain project.
presentation #9 in _data/people/cranmer.yml must contain project.
presentation #10 in _data/people/cranmer.yml must contain project.
presentation #11 in _data/people/cranmer.yml must contain project.
presentation #12 in _data/people/cranmer.yml must contain project.
presentation #13 in _data/people/cranmer.yml must contain project.
presentation #14 in _data/people/cranmer.yml must contain project.
presentation #15 in _data/people/cranmer.yml must contain project.
presentation #16 in _data/people/cranmer.yml must contain project.
presentation #17 in _data/people/cranmer.yml must contain project.
presentation #18 in _data/people/cranmer.yml must contain project.
presentation #19 in _data/people/cranmer.yml must contain project.
presentation #20 in _data/people/cranmer.yml must contain project.
presentation #21 in _data/people/cranmer.yml must contain project.
presentation #22 in _data/people/cranmer.yml must contain project.
presentation #23 in _data/people/cranmer.yml must contain project.
presentation #24 in _data/people/cranmer.yml must contain project.
presentation #25 in _data/people/cranmer.yml must contain project.
presentation #26 in _data/people/cranmer.yml must contain project.
presentation #27 in _data/people/cranmer.yml must contain project.
presentation #28 in _data/people/cranmer.yml must contain project.
presentation #29 in _data/people/cranmer.yml must contain project.
presentation #30 in _data/people/cranmer.yml must contain project.
presentation #31 in _data/people/cranmer.yml must contain project.
presentation #32 in _data/people/cranmer.yml must contain project.
presentation #33 in _data/people/cranmer.yml must contain project.
presentation #34 in _data/people/cranmer.yml must contain project.
presentation #35 in _data/people/cranmer.yml must contain project.
presentation #37 in _data/people/cranmer.yml must contain project.
presentation #38 in _data/people/cranmer.yml must contain project.
presentation #39 in _data/people/cranmer.yml must contain project.
presentation #40 in _data/people/cranmer.yml must contain project.
presentation #41 in _data/people/cranmer.yml must contain project.
presentation #42 in _data/people/cranmer.yml must contain project.
presentation #43 in _data/people/cranmer.yml must contain project.
presentation #44 in _data/people/cranmer.yml must contain project.
presentation #45 in _data/people/cranmer.yml must contain project.
presentation #46 in _data/people/cranmer.yml must contain project.
presentation #47 in _data/people/cranmer.yml must contain project.
presentation #48 in _data/people/cranmer.yml must contain project.
presentation #49 in _data/people/cranmer.yml must contain project.
presentation #50 in _data/people/cranmer.yml must contain project.
presentation #51 in _data/people/cranmer.yml must contain project.
presentation #52 in _data/people/cranmer.yml must contain project.
presentation #53 in _data/people/cranmer.yml must contain project.
presentation #54 in _data/people/cranmer.yml must contain project.
presentation #55 in _data/people/cranmer.yml must contain project.
presentation #56 in _data/people/cranmer.yml must contain project.
presentation #57 in _data/people/cranmer.yml must contain project.
presentation #58 in _data/people/cranmer.yml must contain project.
presentation #59 in _data/people/cranmer.yml must contain project.
presentation #60 in _data/people/cranmer.yml must contain project.
presentation #61 in _data/people/cranmer.yml must contain project.
presentation #0 in _data/people/savvy379.yml must contain meetingurl.
presentation #1 in _data/people/savvy379.yml must contain meetingurl.
presentation #2 in _data/people/savvy379.yml must contain meetingurl.
presentation #3 in _data/people/savvy379.yml must contain meetingurl, location.
presentation #4 in _data/people/savvy379.yml must contain meetingurl, location.
presentation #5 in _data/people/savvy379.yml must contain meetingurl, location.
presentation #6 in _data/people/savvy379.yml must contain meetingurl, location.
presentation #7 in _data/people/savvy379.yml must contain meetingurl, location.
presentation #8 in _data/people/savvy379.yml must contain location.
presentation #0 in _data/people/evanmassaro.yml must contain focus-area, project.
presentation #0 in _data/people/davidlange6.yml must contain location.
presentation #1 in _data/people/davidlange6.yml must contain location.
presentation #2 in _data/people/davidlange6.yml must contain location.
presentation #3 in _data/people/davidlange6.yml must contain meetingurl, location.
presentation #4 in _data/people/davidlange6.yml must contain location.
presentation #5 in _data/people/davidlange6.yml must contain location.
presentation #1 in _data/people/gordonwatts.yml must contain location.
presentation #3 in _data/people/gordonwatts.yml must contain project.
presentation #4 in _data/people/gordonwatts.yml must contain location.
presentation #5 in _data/people/gordonwatts.yml must contain location.
presentation #6 in _data/people/gordonwatts.yml must contain location.
presentation #7 in _data/people/gordonwatts.yml must contain location, project.
presentation #8 in _data/people/gordonwatts.yml must contain location.
presentation #9 in _data/people/gordonwatts.yml must contain location.
presentation #10 in _data/people/gordonwatts.yml must contain location.
presentation #11 in _data/people/gordonwatts.yml must contain location.
presentation #12 in _data/people/gordonwatts.yml must contain location.
presentation #13 in _data/people/gordonwatts.yml must contain location, project.
presentation #14 in _data/people/gordonwatts.yml must contain location.
presentation #15 in _data/people/gordonwatts.yml must contain location, project.
presentation #16 in _data/people/gordonwatts.yml must contain location.
presentation #17 in _data/people/gordonwatts.yml must contain location, project.
presentation #19 in _data/people/gordonwatts.yml must contain project.
presentation #28 in _data/people/gordonwatts.yml must contain project.
presentation #31 in _data/people/gordonwatts.yml must contain project.
presentation #0 in _data/people/bbockelm.yml must contain location.
presentation #1 in _data/people/bbockelm.yml must contain location.
presentation #2 in _data/people/bbockelm.yml must contain location, project.
presentation #3 in _data/people/bbockelm.yml must contain meetingurl, location.
presentation #4 in _data/people/bbockelm.yml must contain meetingurl, location, project.
presentation #5 in _data/people/bbockelm.yml must contain meetingurl, location, project.
presentation #6 in _data/people/bbockelm.yml must contain meetingurl, location, project.
presentation #8 in _data/people/bbockelm.yml must contain location, project.
presentation #10 in _data/people/bbockelm.yml must contain focus-area, project.
presentation #11 in _data/people/bbockelm.yml must contain location, project.
presentation #12 in _data/people/bbockelm.yml must contain location.
presentation #13 in _data/people/bbockelm.yml must contain location.
presentation #14 in _data/people/bbockelm.yml must contain location.
presentation #15 in _data/people/bbockelm.yml must contain location, project.
presentation #16 in _data/people/bbockelm.yml must contain location, project.
presentation #17 in _data/people/bbockelm.yml must contain location.
presentation #18 in _data/people/bbockelm.yml must contain location.
presentation #19 in _data/people/bbockelm.yml must contain location.
presentation #20 in _data/people/bbockelm.yml must contain location, project.
presentation #21 in _data/people/bbockelm.yml must contain location, project.
presentation #3 in _data/people/carlosmalt.yml must contain location.
presentation #18 in _data/people/carlosmalt.yml must contain location.
presentation #0 in _data/people/etorro.yml must contain location, project.
presentation #0 in _data/people/BenGalewsky.yml must contain project.
presentation #1 in _data/people/BenGalewsky.yml must contain project.
presentation #4 in _data/people/BenGalewsky.yml must contain project.
presentation #1 in _data/people/SebastianMacaluso.yml must contain project.
presentation #0 in _data/people/ivotron.yml must contain focus-area, project.
presentation #1 in _data/people/ivotron.yml must contain focus-area, project.
presentation #0 in _data/people/robrwg.yml must contain location, focus-area, project.
presentation #1 in _data/people/robrwg.yml must contain location.
presentation #2 in _data/people/robrwg.yml must contain location.
presentation #3 in _data/people/robrwg.yml must contain location.
presentation #4 in _data/people/robrwg.yml must contain location.
presentation #0 in _data/people/tresreid.yml must contain location.
presentation #0 in _data/people/msneubauer.yml must contain project.
presentation #1 in _data/people/msneubauer.yml must contain project.
presentation #2 in _data/people/msneubauer.yml must contain project.
presentation #3 in _data/people/msneubauer.yml must contain project.
presentation #4 in _data/people/msneubauer.yml must contain project.
presentation #5 in _data/people/msneubauer.yml must contain project.
presentation #6 in _data/people/msneubauer.yml must contain project.
presentation #8 in _data/people/msneubauer.yml must contain project.
presentation #9 in _data/people/msneubauer.yml must contain project.
presentation #10 in _data/people/msneubauer.yml must contain project.
presentation #11 in _data/people/msneubauer.yml must contain project.
presentation #0 in _data/people/heather-gray.yml must contain location.
presentation #1 in _data/people/heather-gray.yml must contain location.
presentation #2 in _data/people/heather-gray.yml must contain location.
presentation #3 in _data/people/heather-gray.yml must contain location.
presentation #4 in _data/people/heather-gray.yml must contain location.
presentation #5 in _data/people/heather-gray.yml must contain location.
presentation #6 in _data/people/heather-gray.yml must contain location.
presentation #0 in _data/people/slava77.yml must contain focus-area.
presentation #0 in _data/people/sfiligoi.yml must contain meetingurl.
presentation #7 in _data/people/sfiligoi.yml must contain location.
presentation #0 in _data/people/marianstahl.yml must contain location.
presentation #1 in _data/people/marianstahl.yml must contain location.
presentation #0 in _data/people/irinaene.yml must contain location.
presentation #26 in _data/people/henryiii.yml must contain meetingurl.
presentation #0 in _data/people/irinaespejo.yml must contain project.
presentation #1 in _data/people/irinaespejo.yml must contain focus-area, project.
presentation #2 in _data/people/irinaespejo.yml must contain focus-area, project.
presentation #3 in _data/people/irinaespejo.yml must contain focus-area, project.
presentation #0 in _data/people/xiaocong-ai.yml must contain location.
presentation #1 in _data/people/xiaocong-ai.yml must contain location.
presentation #2 in _data/people/xiaocong-ai.yml must contain location.
presentation #3 in _data/people/xiaocong-ai.yml must contain location.
presentation #4 in _data/people/xiaocong-ai.yml must contain location.
presentation #5 in _data/people/xiaocong-ai.yml must contain location.
presentation #6 in _data/people/xiaocong-ai.yml must contain location.
presentation #7 in _data/people/xiaocong-ai.yml must contain location.
presentation #8 in _data/people/xiaocong-ai.yml must contain location.
presentation #0 in _data/people/cvarni.yml must contain focus-area.
presentation #0 in _data/people/xweichu.yml must contain location, project.
presentation #1 in _data/people/xweichu.yml must contain location, project.
presentation #0 in _data/people/nickcinko.yml must contain location.
presentation #1 in _data/people/nickcinko.yml must contain location.
presentation #2 in _data/people/dcraik.yml must contain location.
presentation #4 in _data/people/dcraik.yml must contain location.
presentation #0 in _data/people/fkw888.yml must contain location, project.
presentation #1 in _data/people/fkw888.yml must contain location, project.
presentation #2 in _data/people/fkw888.yml must contain location, project.
presentation #3 in _data/people/fkw888.yml must contain location, project.
presentation #4 in _data/people/fkw888.yml must contain location, project.
presentation #5 in _data/people/fkw888.yml must contain location, project.
presentation #6 in _data/people/fkw888.yml must contain location, project.
presentation #7 in _data/people/fkw888.yml must contain location, project.
presentation #8 in _data/people/fkw888.yml must contain location, project.
presentation #9 in _data/people/fkw888.yml must contain location, project.
presentation #10 in _data/people/fkw888.yml must contain location.
presentation #11 in _data/people/fkw888.yml must contain location, project.
presentation #12 in _data/people/fkw888.yml must contain project.
presentation #14 in _data/people/fkw888.yml must contain location, project.
presentation #15 in _data/people/fkw888.yml must contain location, project.
presentation #16 in _data/people/fkw888.yml must contain location, project.
presentation #17 in _data/people/fkw888.yml must contain location, project.
presentation #18 in _data/people/fkw888.yml must contain location, project.
presentation #19 in _data/people/fkw888.yml must contain location, project.
presentation #20 in _data/people/fkw888.yml must contain location, project.
presentation #21 in _data/people/fkw888.yml must contain location.
presentation #22 in _data/people/fkw888.yml must contain focus-area, project.
presentation #23 in _data/people/fkw888.yml must contain project.
presentation #24 in _data/people/fkw888.yml must contain project.
presentation #25 in _data/people/fkw888.yml must contain location, project.
presentation #26 in _data/people/fkw888.yml must contain location, project.
presentation #27 in _data/people/fkw888.yml must contain location, project.
presentation #28 in _data/people/fkw888.yml must contain location.
presentation #29 in _data/people/fkw888.yml must contain location, project.
presentation #30 in _data/people/fkw888.yml must contain location, project.
presentation #31 in _data/people/fkw888.yml must contain location, project.
presentation #32 in _data/people/fkw888.yml must contain meetingurl, location, focus-area.
presentation #33 in _data/people/fkw888.yml must contain meetingurl, location.
presentation #34 in _data/people/fkw888.yml must contain meetingurl, location, project.
presentation #35 in _data/people/fkw888.yml must contain meetingurl, project.
presentation #36 in _data/people/fkw888.yml must contain location, project.
presentation #37 in _data/people/fkw888.yml must contain location, project.
presentation #38 in _data/people/fkw888.yml must contain project.
presentation #39 in _data/people/fkw888.yml must contain meetingurl, location.
presentation #40 in _data/people/fkw888.yml must contain project.
presentation #41 in _data/people/fkw888.yml must contain project.
presentation #42 in _data/people/fkw888.yml must contain meetingurl, location, project.
presentation #43 in _data/people/fkw888.yml must contain meetingurl, project.
presentation #44 in _data/people/fkw888.yml must contain project.
presentation #46 in _data/people/fkw888.yml must contain project.
presentation #48 in _data/people/fkw888.yml must contain location, project.
presentation #0 in _data/people/matkinso.yml must contain project.
presentation #1 in _data/people/matkinso.yml must contain project.
presentation #2 in _data/people/matkinso.yml must contain project.
presentation #3 in _data/people/matkinso.yml must contain project.
presentation #4 in _data/people/matkinso.yml must contain project.
presentation #5 in _data/people/matkinso.yml must contain project.
presentation #6 in _data/people/matkinso.yml must contain project.
presentation #7 in _data/people/matkinso.yml must contain project.
presentation #0 in _data/people/heikomuller.yml must contain project.
presentation #1 in _data/people/heikomuller.yml must contain project.
presentation #2 in _data/people/heikomuller.yml must contain project.
presentation #0 in _data/people/LincolnBryant.yml must contain location.
presentation #1 in _data/people/LincolnBryant.yml must contain location.
presentation #2 in _data/people/LincolnBryant.yml must contain location.