Error: Stack Trace: Message:Object doesn't support property or method

Users get the following error when trying to save changes to Grades or Attendance (or open a Student) in Internet Explorer 11.

Error: Stack Trace: Message:Object doesn't support property or method
'removeEventListener'

URL:https://siteidfaweb.blackbaudondemand.com/bbwebclient/Scripts/Grids/Grid2.js

Line:270
 
Add FAWeb to the list of Compatibility View sites.

How to enable compatibility view in Internet Explorer

 

Environment

 7.87.164 ; 7.86.93

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