To access forms directly in 12.2.4, we need to go to URL
If you have out of the box configuration, you will get the error
APP-FND-01542: This Applications Server is not authorized to access this database
To get this working, you need to modify your current run context file, and chnage the “s_appserverid_authentication” value from SECURE to OFF. Then run Autoconfig on RUN FS.