ID:265067 Design includes illegal megafunction "<name>"

CAUSE: You made one or more changes to the specified megafunction in the megafunction library. However, the changes you made have resulted in an illegal megafunction.

ACTION: Restore the megafunction(s) you changed in the megafunction library to their original state(s).

CAUSE: You used the specified megafunction name as the name of a design file in your design. As a result, the Compiler tried to compile using the design file instead of the megafunction.

ACTION: If you specified a design file name that is already used by a megafunction, change the design file name.