EF6 Entity Data Model Wizard extension gets error after Update Model From Database -

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i have custom entity data model extension implements imodelgenerationextension. without getting specific code, have come across situation "a model generation extension made changes model generated database not valid." when updating model database. able step through extension using visual studio experimental instance. xml document representing edmx file modified extension valid xml. error occurs after scope leaves onaftermodelgenerated method. i'm assuming did ef entity data model wizard doesn't like. how can determine actual error is? find info sort of thing not readily available. appreciated. in advance.

you can save resulting .edmx new file , open in visual studio. show errors has.


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