Recently faced a problem where my breakpoints weren’t loading for objects in the AOT that were not in my solution and therefore I could not debug.
Solution: In order to load symbols for objects that have not been included in your solution you have to uncheck the following check box.
Dynamincs365>Options>Dynamics 365>Debugging
Load symbols only for items in the solution
To know more about how to debug in D365 visit: Debug X++
Mohsin Khalid 
But my unchecking the option, the debugger is not working.
Any thoughts and suggestion on how to fix this ?
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