SQL Server Create multiple foreign keys

The table contains a PRIMARY KEY column and another column which is FOREIGN KEY. This works fine. When I attempt t开发者_开发百科o add another column as a FOREIGN KEY I get the following message:

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This is unrelated to the PKs or FKs.

There is a setting in SQL Server 2008 SSSM to prevent table rebuilds via the designer.

Tools..Options..Designers... clear the option “Prevent saving changes that require table re-creation”.