AssertionError: ERROR: string mismatch between PM7 on reference line 10 and Non on output line 10

[123xyl]

when ctest

[godotalgorithm]

You previously reported mostly successful tests, so you'll need to clarify what you are doing differently now. The testing error messages are only summarizing the differences between the output files of the tests in the build/tests subdirectory and the reference data in tests subdirectory. It would help to see a pair of output files that are failing the tests. The small size noted by the output file size mismatch suggest that MOPAC is producing an error message and terminating prematurely.