No LayoutSet exists with the key {groupId=10403, privateLayout=true} error

Document ID : KB000047898
Last Modified Date : 14/02/2018
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When logging in with my user on UMP I get "No LayoutSet exists with the key {groupId=10403, privateLayout=true}" error

I've found this post on the Liferay website:
?
So many test users, fastest way to delete?
(http://www.liferay.com/community/forums/-/message_boards/message/2147253)?
?
There is a script in this that can be adapted to other DBs like Oracle DB. Youwill neet to stop UMP and then run the script to delete user(s) who are having getting the error.
Afterward running the script, start UMP and log in again. UMP creates a new user and all will run fine.