Oninit
Talk to an expert →

Informix Error -1171

-1171 A disallowed data type has been encountered by the FMP.

FMP refers to IBM Informix 4GL/RF. See the installation documentation for your system.

Oninit® Troubleshooting Guidance

Reasons / Common Causes

-1171 fires when FMP (IBM Informix 4GL/RF) encounters a data type it doesn't allow — per the official guidance, this is a platform-capability restriction, with no further application-level detail given.

  1. A program variable or form field using a data type FMP doesn't support, per the official guidance — no further detail is given beyond directing to the installation documentation.
Solutions / Resolution
  1. Consult the installation documentation for your system, per the official guidance, to confirm which data types FMP supports.
  2. Review the program/form for the specific variable or field using an unsupported type, and substitute a supported one if possible.
Examples
N/A

No specific triggering statement is documented — this is a platform-capability restriction for the FMP (4GL/RF) runtime.

Diagnostic Checks
  1. Identify the specific variable/field and data type involved, and check the installation documentation for whether FMP supports it.
Related Errors / Related Topics
  • -1166 — "An illegal code has been received from the FMP." A related FMP-communication error.
  • -1167 — "An unknown form name has been received by the FMP." A related FMP-communication error, about form-name resolution rather than data types.

FMP encountered a data type it doesn't support — consult the installation documentation for what FMP actually supports.