Not able to populate retained earning account in ledger setup in 12.2.3 – “Please choose an existing combination”

ERROR

Not able to populate retained earning account in ledger setup in 12.2.3 – “Please choose an existing combination”

SOLUTION

To implement the solution, please execute the following steps:

Step 1. Download and review the readme and pre-requisites for Patch:18123067>:R12.FND.C

Step 2. Ensure that you have taken a backup of your system before applying the recommended patch.

Step 3. Apply the patch in a test environment.

Step 4. Confirm the following file versions:

KeyFlexfield.java 120.12.12020000.3
You can use the commands like the following:
strings -a $JAVA_TOP/oracle/apps/fnd/flexj/KeyFlexfield.class | grep ‘$Header’

Step 5. Bounce the instance after applying the patch

Step 6. Re-test the issue.

Step 7. Migrate the solution as appropriate to other environments.