Every time I try to change (Take This Course Page,Connect Edit Course Page and Notes & Discussion Page) and when I save changes they become none!!! This affected directly both course start, front end edit and "notes and discussion"
I'm an Administrator and using Windows.
Review these screenshots:
Before saving:
https://prnt.sc/rx3y9y
After saving:
https://prnt.sc/rx3xri
@MoSaadNaggar,
Deactivate all your third-party plugins and then check. The issue is becasue of your third-party plugins