12.2 Upgrading from Oracle Unified Directory Services Manager 12.2.1.4 to 14.1.2
Upgrading an existing Oracle Unified Directory Serivces Manager (OUDSM) 12.2.1.4 deployment on Kubernetes to OUDSM 14.1.2.1.0, is not supported.
You must install a new 14.1.2.1.0 OUDSM deployment as outlined in Installing Oracle Unified Directory Services Manager on Kubernetes.