SFMC300E

SFMC300E          JCL PARM=‘cccc’ is either invalid, unexpected, or unsupported.
SFMC930I           Recommended action: Research the parameter.
SFMC938I           If found to be invalid, correct the error or remove it from FTP job.
SFMC939I           If found to be valid, report this error to SDS Technical Support.

Self-explanatory message group.