This is a common problem:
5 $digest() iterations reached. Aborting!
Watchers fired in the last 5 iterations: []
The docume
question was already answered here - How to Troubleshoot Angular "10 $digest() iterations reached" Error
as a resume of two best answers:
plus
you can always put conditional breakpoint here https://github.com/angular/angular.js/blob/c3220325a0a95484724a03bedca24e1bbf05dc80/src/ng/rootScope.js#L815 to check the exception stacktrace.