look dont need type all this

unset %ut_action
  unset %ut_activechan
  unset %ut_credentials
  unset %ut_download
  unset %ut_downloadingcount
  unset %ut_err_torrents
  unset %ut_find_string
  unset %ut_flood_max
  unset %ut_flood_count
  unset %ut_ratio_sum
  unset %ut_remaining
  unset %ut_seedingcount
  unset %ut_sockerr
  unset %ut_torrentcount
  unset %ut_url
  unset %ut_upload
  unset %ut_cookie
  unset %ut_token
  unset %ut_uploaded
  unset %ut_downloaded
  unset %ut_port

just put

unset %ut*

by the way its important to ppl know whats the error message

else {
       msg %ut_activechan 12[µT] Error: webui is not responding (socket error).
  }

try use this

else {
      msg %ut_activechan 12[µT] Error: $sock($sockname).wsmsg
  }

it will return the last message error