I have a webMethods MWS server, when I am logging in with sysadmin user the header and footer tab is not showing up.
Error page looks like this -
While the correct page looks like this from another MWS server -

Can someone help me how to fix this error?

The sysadmin shell is called 'Power Drill Shell'. It's not supposed to editable. Maybe your Shell Rule 'Sys Admin' has been edited. The rule should be: