Informix Error -21603: Output file could not be created.

Reasons / Common Causes

-21603 is an internal mkmessage error — per the official guidance, no user-actionable cause is documented beyond the output file failing to be created.

1. The output file failing to be created, per the official guidance — no further named detail; check the target directory's write permission and free space.

Solutions / Resolution

1. If this internal 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. Check the target directory's write permission and free space, and escalate to IBM Informix Technical Support if the error recurs.

Related Errors / Related Topics

• -21602 — "Input file could not be opened." The mirror-image error, on the input file rather than the output file.
• -21616 — "Temporary text file could not be created." A related file-creation error, on mkmessage's temporary text file rather than its output file.

mkmessage couldn't create its output file — check the target directory's permissions and free space.