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Informix Error -6066: Database server protocol error.

Cause and resolution

Database server protocol error.

This internal error should not occur. If the error recurs, note all circumstances and contact IBM Technical Support.

Oninit® Troubleshooting Guidance

Reasons / Common Causes

-6066 is flagged by the archived catalogue as an internal error that should not occur.

  1. A genuine internal protocol-level condition, per the archived catalogue — no other cause is named.
Solutions / Resolution
  1. If this recurs, note all circumstances and contact IBM Technical Support, per the archived catalogue.
Examples
N/A

No specific triggering statement is documented beyond the function-level condition described above.

Diagnostic Checks
  1. Capture the exact circumstances at the time -6066 occurred, for escalation if it recurs.
Related Errors / Related Topics
  • -6050 — "Bad key description: internal error."
  • -6055 — "BEGIN WORK failed."
  • -6056 — "COMMIT WORK failed."
  • -6057 — "ROLLBACK WORK failed."

An internal protocol error that should not occur — escalate if it recurs.