OEM 13c No Output for this step

We're using OEM 13c to run an shell script against cdb hosts running EE 19.25 on 64-bit solaris running SRU 77. The shell script runs in ksh successfully and generates the required output to an nfs directory mounted on the servers it runs against. The script loops through the pdbs and for each pdb issues a sql select against a single table to gather and then present information from the pdbs on that cdb host to a file in an nfs directory. I run the script on a schedule in OEM 13c. The scripts runs successfully - OEM records the