Concurrency problem in file-load and tags command about euslime HOT 2 OPEN

(:emacs-rex
 (swank:load-file "paper-folding-right.l")
 "USER" :repl-thread 5)
(:write-string "Loading file: paper-folding-right.l ...\n")
(:emacs-rex
 (swank:find-tag-name-for-emacs "reset-pose" "USER")
 "USER" :repl-thread 6)
(:debug 0 1
        ("ValueError: invalid literal for int() with base 16: '#i(48 '" "" nil)
        (("QUIT" "Quit to the SLIME top level")
         ("CONTINUE" "Ignore the error and continue in the same stack level")
         ("RESTART" "Restart euslisp process"))
        nil
        (nil))