ID:18141 The channel location corresponding to pin-name < <name> > is non-empty. Unused channel preservation is not needed.

CAUSE: Unused channel preservation was specified for the above pin location. However, the design already has CDR PLL placed at the this location. Unused channel preservation is not required for a non-emty location.

ACTION: Modify the corresponding QSF assignment to specify another empty location for channel preservation, or remove the QSF assignment.