Unknown M1/M2 file type -- skipping file sample.m2
This message identifies a M1/M2 file that we cannot process. Please send us a copy of it if it has no apparent problems in your system.
This message shows an issue that the DBDOC build process did not handle. It can be reported to G. Michaels Consulting Ltd. in case it can be fixed.
Please contact us for help resolving your error messages.