Informix Error -12805: Improper return value from access_method routine.

Cause and resolution

Improper return value from access_method routine.

An access_method routine returned a value that is not valid. Possibly a bug exists in the access_method routine.

Oninit® Troubleshooting Guidance

Reasons / Common Causes

-12805 fires when an access-method routine returns a value that isn't valid — per the official guidance.

A bug in the access-method routine's implementation, per the official guidance — the named, possible cause.

Solutions / Resolution

Review and fix the access-method routine's implementation, per the official guidance's implication, if a bug is confirmed.

Examples

N/A

No specific triggering statement is documented beyond an invalid return value.

Diagnostic Checks

Identify which access-method routine returned the invalid value, and review its implementation for a bug in the return-value handling.

Related Errors / Related Topics

-12804 — "Error indicated by an access_method routine." A related return-value error, about the routine explicitly signaling MI_ERROR rather than returning an improper value.

An access-method routine returned an invalid value, possibly indicating a bug in the routine — review its implementation.