Damn, didn't think of this. Never tried that before with that much FK's, but this could very well be the reason. But what really interesting is, how did you manage to create this table? Can you script the table structure along with the constraints to reproduce the error?
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Frank Kalis
Microsoft SQL Server MVP
Webmaster: http://www.insidesql.org/blogs
My blog: http://www.insidesql.org/blogs/frankkalis/[/url]