Informix Error -7533: Error in user-defined-routine lookup: Specified user-defined routine not found.

Reasons / Common Causes

-7533 fires when the UDR named for fastpath lookup doesn't exist — per the official guidance.

1. A misspelled or undefined UDR name, per the official guidance — the direct, only cause.

Solutions / Resolution

1. Verify the spelling and definition of the user-defined routine, per the official guidance.

Examples

N/A

No specific triggering statement is documented beyond a misspelled or undefined UDR name.

Diagnostic Checks

1. Check the UDR's name for a spelling mistake, and confirm it's actually defined in the database.

Related Errors / Related Topics

• -7531 — "Invalid user defined routine type: must be function or procedure." A related UDR-lookup error, about an existing routine's unsupported type rather than the routine not existing at all.

The specified UDR wasn't found — verify its spelling and that it's defined in the database.