ID:146046 Can't open MAX+PLUS generated vector source file <name>

CAUSE: You attempted to open the specified vector source file; however, the Quartus Prime software cannot open vector source files generated by the MAX+PLUS software.

ACTION: Open the file using the MAX+PLUS II software and save a new copy with a file format supported by the Quartus Prime software. This will update the file format to a version that Quartus can read.