ID:15995 The clkena input of output phase alignment primitive "<name>" must be connected to VCC when OPERATION_MODE parameter is set to either RTENA or EXTENDED_RTENA

CAUSE: The clkena input of the specified output phase alignment primitive is not connected to V_CC while the OPERATION_MODE parameter is set to either RTENA or EXTENDED_RTENA.

ACTION: Check the design and make sure that the specified clkena input is connected to V_CC . Alternatively, you can change the OPERATION_MODE parameter to a value other than RTENA or EXTENDED_RTENA.