catconInit failed while running post-installation of patch 25433286

catconInit failed with the following message in the log file:

SQL Patching tool version 12.1.0.2.0 Production on Thu Oct 12 15:24:36 2017

Copyright (c) 2012, 2017, Oracle.  All rights reserved.

Log file for this invocation: \oracle\AHTS1\cfgtoollogs\sqlpatch\sqlpatch_2068_2017_10_12_15_24_36\sqlpatch_invocation.log

SQL Patching arguments:

  verbose: 1

  force: 0

  prereq: 0

  upgrade_mode_only:

  oh:

  bundle_series:

  ignorable_errors:

  bootstrap:

  skip_upgrade_check:

  userid:

  pdbs:

  noqi:

Connecting to database...OK

catcon: ALL catcon-related output will be written to \oracle\AHTS1\cfgtoollogs\sqlpatch\sqlpatch_2068_2017_10_12_15_24_36/sqlpatch_catcon__catcon_2068.lst

catcon: See \oracle\AHTS1\cfgtoollogs\sqlpatch\sqlpatch_2068_2017_10_12_15_24_36/sqlpatch_catcon_*.log files for output generated by scripts

catcon: See \oracle\AHTS1\cfgtoollogs\sqlpatch\sqlpatch_2068_2017_10_12_15_24_36/sqlpatch_catcon__*.lst files for spool files, if any