error while creating new column in user table "Parsing input json params failed"

i’m getting this Parsing input json params failed error while creating new column in my user table

Hi

Thanks for the report
An internal ticket (BKNDLSS-12954) is created for this issue
We will notify you when it’s resolved

as work around you can add user property on Users tab http://take.ms/thFZM

Hello!

This issue has been fixed. Please, clear browser cache.
best regards,
Alex