Informix Error -12803: Error in executing an access_method routine execution sequence.

Reasons / Common Causes

-12803 fires when an error occurs while executing an access-method routine — per the official guidance.

1. A failure during the routine's execution, per the official guidance — no further detail given.

Solutions / Resolution

1. Try the statement again, per the official guidance.

Examples

N/A

No specific triggering statement is documented beyond a transient execution failure.

Diagnostic Checks

1. Retry the statement; if it fails consistently, investigate the access-method routine's implementation.

Related Errors / Related Topics

• -12800 — "Unsuspected internal error." A related access-method error, about a general data inconsistency rather than specifically execution.
• -12802 — "Error in initializing an access_method routine execution sequence." A related access-method error, about initialization rather than execution.
• -12804 — "Error indicated by an access_method routine." A related execution error, where the routine explicitly returned MI_ERROR rather than failing generically.

An access-method routine failed during execution — try the statement again.