Informix Error -22622: Type type-name is unknown.

Cause and resolution

Type type-name is unknown.

This message indicates an IBM Informix ESQL/FORTRAN preprocessor error. The symbol is not a declared type. Declare type-name and try again.

Oninit® Troubleshooting Guidance

Reasons / Common Causes

-22622 fires when a referenced symbol isn't a declared type — per the official guidance.

A symbol referenced as a type that hasn't been declared, per the official guidance — the direct, only cause.

Solutions / Resolution

Declare the named type and try again, per the official guidance.

Examples

N/A

No specific triggering statement is documented beyond referencing an undeclared type.

Diagnostic Checks

Check whether the flagged type name has actually been declared, and add the declaration if missing.

Related Errors / Related Topics

-22600 — "Invalid SQL type type-name. Internal error." A related type-validity error, on an invalid SQL type name rather than an undeclared type.

A referenced type wasn't declared — declare it.