| ERROR | Invalid HSTDEF argument |
| CAUSE | A non-null ptr was given for a hstdef as the second argument to a call to sqlrcn when the first argument was also used. Either the first or the second argument to SQLRCN must be null. |
| ACTION | Pass a null pointer in either the first or second argument to SQLRCN. *Note: This error *msg* is never actually used. The error *number* is used, given as the return value of sqlrcn if this error occurs. |