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Informix Error -14566: CSS: no input function provided.

Cause and resolution

CSS: no input function provided.

Communication Support Services internal error.

Communication Support Service caller did not provide a buffer management function in reference context to Communication Support Services.

Contact IBM Informix Technical Support or the CSM vendor and have the following information available: CSS configuration files and sqlhosts information for both the client and the database server.

Oninit® Troubleshooting Guidance

Reasons / Common Causes

-14566 fires when a CSS caller doesn't provide a buffer management function in the reference context passed to Communication Support Services (CSS) for input — per the official guidance.

  1. A CSS caller not providing an input function, per the official guidance — the direct, only cause.
Solutions / Resolution
  1. Contact IBM Informix Technical Support or the CSM vendor, per the official guidance, with the CSS configuration files and sqlhosts information for both the client and the database server available.
Examples
N/A

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

Diagnostic Checks
  1. Gather the CSS configuration files and sqlhosts information for both sides of the connection before escalating.
Related Errors / Related Topics
  • -14562 — "CSS: no buffer management function provided." The same missing-function-in-I/O-context condition, worded generally rather than for input specifically.
  • -14564 — "CSS: no output function provided." The same missing-function-in-I/O-context condition, for the output function rather than input.

A CSS caller didn't provide an input function in its I/O reference context — gather the CSS configuration and sqlhosts details and contact IBM Informix Technical Support or the CSM vendor.