Column XX in table dbo.YY is of a type that is invalid for use as a key column in an index.

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Column XX in table dbo.YY is of a type that is invalid for use as a key column in an index.Entity Framework error after creating index and try to update the database.&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; [Column(TypeName = "VARCHAR")]&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [StringLength(150)]&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [Index("INDEX_EmailItemCaseManager", IsUnique = false)]&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; public string EmailItemCaseManager { get; set; }

jcgonzalezmartin · Answer

I think you could find more help if you post this question on a forum devoted to Entity Framework...this forum is devoted to SharePoint

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Column XX in table dbo.YY is of a type that is invalid for use as a key column in an index.

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