User rights
From MoodleDocs
There is no user by the name "Ttt12345678". Check your spelling.
Note: You are currently viewing documentation for Moodle 3.6. Up-to-date documentation for the latest stable version of Moodle is likely available here: UserRights/Ttt12345678.
There is no user by the name "Ttt12345678". Check your spelling.