Unhandled Exception after Upgrading to Entity Framework 4.3.1

Question

Error:

Unhandled Exception: System.Data.SqlClient.SqlException: The operation failed because an index or statistics with name \'IX_ID\' already exi

Answer 1

When my project was updated from EF 6.0.2 to EF 6.1.1, I had such a problem, then back to 6.0.2, after the return of an older version, the error disappeared