Adop Phase=prepare Failed After Creating the Custom Application in EBS R12.2

ERROR:

he adop phase=prepare failed with error.  The unexpected error occurred while executing txkADOPPreparePhaseSynchronize.pl.

In txkADOPPreparePhaseSynchronize log file
=============================
Inside evalADPATCHStatus()...
=============================
message_status: ERROR
Adsplice action did not go through successfully.
*******FATAL ERROR*******
PROGRAM : (//EBSDEV/fs2/EBSapps/appl/ad/12.0.0/patch/115/bin/txkADOPPreparePhaseSynchronize.pl)
FUNCTION: main::execADSPLICE [ Level 1 ]
ERRORMSG: Adsplice action did not go through successfully.

Solutions:

Please run the following steps.

1. adop phase=abort,cleanup cleanup_mode=full (as env is currently in prepare failed state after adsplice was run on Run FS).
2. adop phase=fs_clone
3. adop phase=prepare