Informix Error -12001: Smart Large Objects: Cannot add entry to lohd table.

Reasons / Common Causes

-12001 is an internal error — per the official guidance, no user-facing cause is documented beyond a failure adding an entry to the internal lohd (LO handle) table.

1. An internal failure adding an entry to the lohd table, per the official guidance — no further detail given.

Solutions / Resolution

1. If this error recurs, note all circumstances and contact IBM Informix Technical Support, per the official guidance.

Examples

N/A

No specific triggering statement is documented — this is reported as an internal error.

Diagnostic Checks

1. Escalate to IBM Informix Technical Support if the error recurs — this is an internal error with no documented user-actionable cause.

Related Errors / Related Topics

• -12000 — "Smart Large Objects: Cannot add entry to lofd table." The same class of internal add-entry failure, for the lofd table rather than lohd.
• -12009 — "Smart Large Objects: Cannot delete entry in lohd table." The mirror-image operation on the same lohd table — delete rather than add.

An internal failure occurred adding an entry to the lohd table — report recurrences to IBM Informix Technical Support.