If there is an error " Function not avaibale for this responsibility" then ther might be the issue with the default.env file in Oracle Apps R12.The custom top entry should be present in the file.


1. Login to middle tier with application os user.

2. Go to $INST_TOP/ora/10.1.2/forms/server  or $ORA_CONFIG_HOME/10.1.2/froms/server directory.

3. Please update  CUSTOM_TOP's details  in the default.env file.

 For Example:

Make sure to make this changes in all the middle tier in case of multi-node environment.

4. Bounce the middle tier services.

5. Retest the issue.