The model extension definition "relational" found in model is a different version than the one in the registry. --------------------------------------------------------------------------------------------------------------- Key: TEIIDDES-2589 URL: https://issues.jboss.org/browse/TEIIDDES-2589 Project: Teiid Designer Issue Type: Bug Components: Import/Export Affects Versions: 9.0, 9.0.1, 9.1, 9.0.2 Reporter: Lukas Mro After importing model from TD 8.1.0 to 9.X.X two types of errors occures 3 types of errors occures: 1. The model extension definition "rest" found in model is not registered in workspace -> this one can be autofix 2. The model extension definition "relational" found in model is a different version than the one in the registry -> This one do not have fix 3. java.lang.StringIndexOutOfBoundsException: String index out of range: 1 -> this one do not have fix I`m not sure what should i send you, AMA :)