500 server error after installing HRMS module

Hi,
I have erpnext v14 and it was working and after installation, for HRMS I received 500 internal server error. any idea on how to solve this error.
please check the following video for installation:
https://drive.google.com/file/d/1eEnku9-ZZWa7s-EnzxDjl8e5A83jFIA_/view?usp=share_link

I have the same issue