Diagnosis
You have chosen a parameter combination that is not permitted:
In the CMD SORT, it is not useful to specify parameter IOBJNM for asort command of type SORT_CMD_TYPE=VALUE (sort by value).

System Response
You cannot select parameter IOBNM from the dialog.

Procedure
Change the command sort type to CHARACTERICTIS(SORT_CMD_TYPE=CHARACTERISTIC) if you want to sort by characteristic.
Remove parameter IOBJNM.