illegal character in SQLSTATE string passed to SIGNAL routine

  Explanation:  The value  expression  which  was  passed  to  the
  SIGNAL routine contained illegal characters.  The only permitted
  characters are '0' through '9' and 'A'  through  'Z'.   This  is
  specified as part of the ANSI and International SQL standard.

  User  Action:   Correct  the  application  so  that  only  legal
  characters are passed to the SIGNAL routine.