DSNE920E member-name ALREADY EXISTS, SPECIFY ACTION(REPLACE) TO REPLACE
Explanation
The DCLGEN user tried to overwrite an old declaration with a new one without specifying REPLACE on the 'ACTION' parameter.
System action
The TSO attachment facility is ready for more input.
User response
Change the 'ACTION' parameter to REPLACE (if that’s actually what you want to do), and resubmit the command.