| Value | Meaning |
|---|---|
| InvalidTypeFunction0 | A type-func attribute didn’t name a function that returns a gobject.types.TYPE_FLAG_RESERVED_ID_BIT. |
| UnhandledTag1 | The input contained a tag that gtk.builder.Builder can’t handle. |
| MissingAttribute2 | An attribute that is required by gtk.builder.Builder was missing. |
| InvalidAttribute3 | gtk.builder.Builder found an attribute that it doesn’t understand. |
| InvalidTag4 | gtk.builder.Builder found a tag that it doesn’t understand. |
| MissingPropertyValue5 | A required property value was missing. |
| InvalidValue6 | gtk.builder.Builder couldn’t parse some attribute value. |
| VersionMismatch7 | The input file requires a newer version of GTK. |
| DuplicateId8 | An object id occurred twice. |
| ObjectTypeRefused9 | A specified object type is of the same type or derived from the type of the composite class being extended with builder XML. |
| TemplateMismatch10 | The wrong type was specified in a composite class’s template XML |
| InvalidProperty11 | The specified property is unknown for the object class. |
| InvalidSignal12 | The specified signal is unknown for the object class. |
| InvalidId13 | An object id is unknown. |
| InvalidFunction14 | A function could not be found. This often happens when symbols are set to be kept private. Compiling code with -rdynamic or using the gmodule-export-2.0 pkgconfig module can fix this problem. |
Error codes that identify various errors that can occur while using gtk.builder.Builder.