Unable to delete user/group from Spotfire server web user interface.

Unable to delete user/group from Spotfire server web user interface.

In Spotfire 7.10, when you delete user/group from Spotfire server web user interface, following error is displayed in browser(refer attached screenshot: Group_Deletion_Error.gif):

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Something went wrong, error logged in user-interface.log with ID: c9ee79f0-861e-6a9f-7b3d-913ec5df53b6
Details: Unable to get property 'name' of undefined or null reference
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Following error get logged in user-interface.log
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2017-09-11T14:48:31,003+0000 ; ERROR ; com.spotfire.rs.tools.UI_ERRORS ; c9ee79f0-861e-6a9f-7b3d-913ec5df53b6: Unable to get property 'name' of undefined or null reference
Current URL: http://demotss.tsspune.lab:8080/spotfire/#/usersGroups?userId=9a4a98ee-5898-46ed-80a8-85fc43d30ac8
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  In Spotfire 7.10, the only workaround for this issue is to remove the users/groups from the Spotfire Analyst Client instead of from Spotfire server web user interface

OR 

You can upgrade to 7.11 and later Spotfire release where this issue is fixed.