Composite Application Framework Hanging

Hello All ,

I have an issue related the composite application framework , when trying to save any new layout on the production  environment , the save button not working as well the screen entering in hanging process and i have to logout from the system to exit the screen !!!

however iam doing the same steps on the PY environment and it's working well and no issue , but the issue happens just on the production and both environment have the same setup

is any one have an idea how i can troubleshot this issue ??

thanks in advance ,