Microsoft.Data.Entity.Design.VersioningFacade.ReverseEngineerDb.SchemaDiscovery.

I have come across this error while I'm generating SharePoint Business Object using Entity Framework.

Error

Microsoft.Data.Entity.Design.VersioningFacade.ReverseEngineerDb.SchemaDiscovery.EntityStoreSchemaGeneratorDatabaseSchemaLoader.CreateFilteredCommand(String sql, String orderByClause, EntityStoreSchemaFilterObjectTypes queryTypes, List`1 filters, String[] filterAliases)

This happed when I change the Framework for match new Visual Studio environment.

Solution.

There were lots of suggestions, however , below method worked for me.

First, we need to open the visual studio command prompt.

because, gacutil will not work in normal command prompt , unless you specified the path.

then you can execute the below gacutil command to remove the wrong EntityFramework version.

gacutil /u EntityFramework

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