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Informix Error -7404: File protocol error. Reported by client.

Cause and resolution

File protocol error. Reported by client.

If this error recurs, note all circumstances and contact IBM Informix Technical Support.

Oninit® Troubleshooting Guidance

Reasons / Common Causes

-7404 is an internal DataBlade API file-protocol error reported by the client side — per the official guidance, no user-facing cause is documented.

  1. An internal file-protocol fault reported by the client, per the official guidance — no further user-actionable detail is 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 triggering example is documented — this is reported as an internal error with no user-facing cause.

Diagnostic Checks
  1. Record the exact circumstances under which the error occurred, for use if escalating to IBM Informix Technical Support.
Related Errors / Related Topics
  • -7403 — "File protocol error. Expected message_packet_name." A related internal file-protocol error, without the client-reported distinction this code carries.

An internal DataBlade API file-protocol error, reported by the client, with no documented user-facing cause — note the circumstances and contact IBM Informix Technical Support.