After R12.1.3 installation adstrtal.sh is exiting with error code 3

Issue -> 
After R12.1.3 installation adstrtal.sh is exiting with error code 3

Although the startup script is giving error, all the modules and technical components are working fine, as there is no user complain till now. So, all the

After installing new R12.1.3, concurrent manager was not starting and showing "Inactive nomanager" error

After installing new R12.1.3, concurrent manager was not starting and showing "Inactive nomanager" error.

We have done the following to try to solve the problem.