Description
Due to a problem in the Quartus® II software version 13.0 SP1 and later, you may see this error if your design contains the following line in the Quartus II Settings File (.qsf)
set_global_assignment -name FORCE_CONFIGURATION_VCCIO ON
Resolution
To work around this problem, comment out the line in the .qsf:
This problem is scheduled to be fixed in a future release of the Quartus II Software.