ID:19960 ATX PLL < <name> > is being used in GT mode. The adjacent master CGB < <name> > cannot be used. Please use x1 clock line or make location assignments in QSF for PLL < <name> >.

CAUSE: If an ATX PLL is being used in GT mode then the adjacent MCGB needs to be turned off.

ACTION: Please use x1 clock line to avoid master CGB or make location assignments in QSF for PLL.