[Satelltie 5.8] Upgrade failed with error: Could not open file "./analyze_new_cluster.sh": Permission denied

Issue

• Error while upgrading from Red Hat Satellite 5.7 to 5.8.

/var/log/rhn/rhn_installation.log:
Starting postgresql92-postgresql service: [  OK  ]
Stopping postgresql92-postgresql service: [  OK  ]
 * upgrading from 'postgresql92-postgresql' to 'rh-postgresql95-postgresql'
 * Upgrading database.
ERROR: pg_upgrade tool failed
ERROR: Upgrade failed.
 * See /var/lib/pgsql/upgrade_rh-postgresql95-postgresql.log for details.

/var/lib/pgsql/upgrade_rh-postgresql95-postgresql.log:
Setting next OID for new cluster                            ok
Sync data directory to disk                                 ok
Creating script to analyze new cluster                      
Could not open file "./analyze_new_cluster.sh": Permission denied
Failure, exiting