The FTP job to pull the PAX.Z file from the FTP server to the USS directory is failing with the following error:
EZA2590E recv error from receive_data - EDC8121I Connection reset. (errno2=0x76650446)
Try the operation again. It may require several attempts. The EZA2590E communication error is between the FTP server and the host system. Also ensure that you adequate space in your USS directory for the PAX.Z file for which you are downloading.