Hi There - Help needed
In SSMS 2008 (not express) the Database Diagram cast the exeption "Invalid Class String" (MS Visual Database Tools).
Why is this happening. I have used the diagram designer before succesfully
My OS W7 - SqlServer 2008 - every thing updated - every service pack installed
I have tryed reinstall seceral times - not positiv
What is going on - It had been working (1 month ago)
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