Hi Asit,
The issue is caused by a corruption of the file 'edittimecheckcustomization.json' and deletion will help to resolve this issue, since the file gets recreated.
To resolve this issue, delete the mentioned 'edittimecheckcustomization.json' file or follow this workaround mentioned here: https://www.mathworks.com/matlabcentral/answers/99625-how-do-i-regenerate-my-matlab-preferences
