Informix Error -50407: An ixValueDesc object may only be constructed with an ixTypeInfo object specifying an opaque, user-defined type.

Reasons / Common Causes

-50407 is raised by the ixValueDesc class in the Window Painter GUI builder library — per the official guidance:

An attempt was made to construct a value descriptor with non-user-defined data types. A value descriptor must be constructed with ixTypeInfo object of SQLOpaqueVar or SQLOpaque objects (user-defined objects).

1. An ixValueDesc object may only be constructed with an ixTypeInfo object specifying an opaque, user-defined type, per the official guidance — the direct, documented condition.

Solutions / Resolution

1. Adjust the calling code to respect the constraint named in the message, per the official guidance — no other resolution is documented.

Examples

N/A

No specific triggering statement is documented beyond the class-library condition described above.

Diagnostic Checks

1. Check the specific value, object state, or call sequence that ixValueDesc flags here, against the constraint the official guidance describes.

Related Errors / Related Topics

No closely related error codes are cross-referenced for -50407 in this set yet.

An ixValueDesc object may only be constructed with an ixTypeInfo object specifying an opaque, user-defined type.