The mapping of CLR type to EDM type is ambiguous

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Schema specified is not valid. Errors:

The mapping of CLR type to EDM type is ambiguous because multiple CLR types match the EDM type 'CmnAddressCity'.

Previously found CLR type 'ABS.Models.Sales.CmnAddressCity',
newly found CLR type 'ABS.Models.SystemTools.CmnAddressCity'.
Is there any solution?

What I have tried:

i have no idea. i was thinking to type the class reference strongly, but that was bad idea.

Posted 19-Mar-16 19:53pm

Shashangka Shekhar

Updated 13-Aug-18 7:01am

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CHill60 · Answer 1 · 2016-03-21T01:18:00

Solution 1

You have already received an answer to your post on C# Corner which directs you to this post - c# - The mapping of CLR type to EDM type is ambiguous with EF 6 & 5? - Stack Overflow[^]

Posted 21-Mar-16 1:18am

CHill60

felipebsuardi · Answer 2 · 2018-08-13T07:02:00

Just add the EntityFramework as "Code First from database" and not as "EF Designer from database". This resolved my problem, but it has a dark side, if you change your database you have to remove all the classes and add it again, or just edit the classes, I use the last when I change properties of the columns, like "Allows null" or the size of a string. But if you add columns I recomend remove and add again the classes.