ID:39063 Can't generate Quartus Placement Exchange File <name> -- make sure that you can write to the file and directory

CAUSE: You attempted to generate the specified Quartus Placement Exchange File (.qpef) by running quartus_cdb with the --write_placement_constraint option. However, quartus_cdb cannot generate the file. This error can occur if you do not have permission to write to the file and directory for the QPEF.

ACTION: Make sure that you have permission to write to the file and directory for the QPEF you are generating.