Oracle® Database 11g / 12c / 18c error codes EXP-00019: failed to process parameters, type ''EXP HELP=Y'' for help

EXP-00019: failed to process parameters, type ''EXP HELP=Y'' for help

Oracle Error Code: EXP-00019

Cause: Invalid command-line parameters were specified.

Action: Check the online help screen for the set of valid parameters, then retry.