SQL Server :: Update Conflicted With Foreign Key Constraint?

Jan 8, 2011

The UPDATE statement conflicted with the FOREIGN KEY constraint "FK__Software__Packag__5165187F". The conflict occurred in database "StudentDB", table "dbo.Package", column 'PackageID'. The statement has been terminated.

what i try to do is run this;

[code]....

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[Code]....

This is the error message I get :

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[Code]....

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Here is my code.

[code]....

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[Code]....

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[Code]....

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[Code]....

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[Code].....

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