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General Description: When implementing a design with a UCF file, the following errors may appear:
ERROR:NgdBuild:413 - Invalid UCF/NCF file entry value detected while reading UCF file <name>.ucf , line number is 1, offset is 1, and value is
ERROR:NgdBuild:31 - Errors found while parsing .ucf file "newapple.ucf". Please check for syntax errors in the UCF file. For more information on legal UCF constraints, please see the "Attributes, Constraints, and Carry Logic" section of the Libraries Guide.
First, save the offending UCF as another file. Then go to the Project Manager window. Click on Implementation-->Set Constraints file. Select "Copy Constraints data from," then click on "Custom". Browse to the relevant file and click "OK."
Then, run the Flow Engine again.
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