Obscure Syntax error at or near "$1" ? about hugsql HOT 4 CLOSED

1. Unhandled org.postgresql.util.PSQLException
   ERROR: syntax error at or near "$1" Position: 23

    QueryExecutorImpl.java: 2182  org.postgresql.core.v3.QueryExecutorImpl/receiveErrorResponse
    QueryExecutorImpl.java: 1911  org.postgresql.core.v3.QueryExecutorImpl/processResults
    QueryExecutorImpl.java:  173  org.postgresql.core.v3.QueryExecutorImpl/execute
AbstractJdbc2Statement.java:  645  org.postgresql.jdbc2.AbstractJdbc2Statement/execute
AbstractJdbc2Statement.java:  495  org.postgresql.jdbc2.AbstractJdbc2Statement/executeWithFlags
AbstractJdbc2Statement.java:  380  org.postgresql.jdbc2.AbstractJdbc2Statement/executeQuery
ProxyPreparedStatement.java:   52  com.zaxxer.hikari.pool.ProxyPreparedStatement/executeQuery
HikariProxyPreparedStatement.java:   -1  com.zaxxer.hikari.pool.HikariProxyPreparedStatement/executeQuery
                  jdbc.clj:  845  clojure.java.jdbc/db-query-with-resultset/run-query-with-params
                  jdbc.clj:  859  clojure.java.jdbc/db-query-with-resultset
                  jdbc.clj:  817  clojure.java.jdbc/db-query-with-resultset
                  jdbc.clj:  882  clojure.java.jdbc/query
                  jdbc.clj:  863  clojure.java.jdbc/query
                  jdbc.clj:  876  clojure.java.jdbc/query
                  jdbc.clj:  863  clojure.java.jdbc/query
                  AFn.java:  156  clojure.lang.AFn/applyToHelper
                  AFn.java:  144  clojure.lang.AFn/applyTo
                  core.clj:  650  clojure.core/apply
                  core.clj:  641  clojure.core/apply
     clojure_java_jdbc.clj:   15  hugsql.adapter.clojure-java-jdbc.HugsqlAdapterClojureJavaJdbc/query
               adapter.clj:    3  hugsql.adapter/eval22550/fn/G
               adapter.clj:    3  hugsql.adapter/eval22550/fn/G
                  Var.java:  394  clojure.lang.Var/invoke
                  core.clj:  463  hugsql.core/db-fn*/y
               RestFn.java:  445  clojure.lang.RestFn/invoke
                  core.clj:  453  hugsql.core/db-fn*/y
                      REPL:  295  dev/eval58869
                      REPL:  295  dev/eval58869
             Compiler.java: 6927  clojure.lang.Compiler/eval
             Compiler.java: 6890  clojure.lang.Compiler/eval
                  core.clj: 3105  clojure.core/eval
                  core.clj: 3101  clojure.core/eval
                  main.clj:  240  clojure.main/repl/read-eval-print/fn
                  main.clj:  240  clojure.main/repl/read-eval-print
                  main.clj:  258  clojure.main/repl/fn
                  main.clj:  258  clojure.main/repl
                  main.clj:  174  clojure.main/repl
               RestFn.java: 1523  clojure.lang.RestFn/invoke
    interruptible_eval.clj:   87  clojure.tools.nrepl.middleware.interruptible-eval/evaluate/fn
                  AFn.java:  152  clojure.lang.AFn/applyToHelper
                  AFn.java:  144  clojure.lang.AFn/applyTo
                  core.clj:  646  clojure.core/apply
                  core.clj: 1881  clojure.core/with-bindings*
                  core.clj: 1881  clojure.core/with-bindings*
               RestFn.java:  425  clojure.lang.RestFn/invoke
    interruptible_eval.clj:   85  clojure.tools.nrepl.middleware.interruptible-eval/evaluate
    interruptible_eval.clj:   55  clojure.tools.nrepl.middleware.interruptible-eval/evaluate
    interruptible_eval.clj:  222  clojure.tools.nrepl.middleware.interruptible-eval/interruptible-eval/fn/fn
    interruptible_eval.clj:  190  clojure.tools.nrepl.middleware.interruptible-eval/run-next/fn
                  AFn.java:   22  clojure.lang.AFn/run
   ThreadPoolExecutor.java: 1142  java.util.concurrent.ThreadPoolExecutor/runWorker
   ThreadPoolExecutor.java:  617  java.util.concurrent.ThreadPoolExecutor$Worker/run
               Thread.java:  745  java.lang.Thread/run

BatchUpdateException:
 Message: Batch entry 0 UPDATE workflows
SET ('error_count','scan_right') = (22,'{"url":"http://lorempixel.com/640/480/cats/test-545","side":"right","volume":4}')
WHERE id = 5
RETURNING * was aborted.  Call getNextException to see the cause.
 SQLState: 42601
 Error Code: 0
PSQLException:
 Message: ERROR: syntax error at or near "$1"
  Position: 23
 SQLState: 42601
 Error Code: 0

-- :name update-workflow! :<! :1
-- :doc update an existing workflow's fields
UPDATE workflows
SET (:i*:cols) = :tuple:vals
WHERE id = :id
RETURNING *