Please note that deleting your user settings will reset all unsaved grid layouts to the default setting. Deleting your user settings will only affect your user, no other users will be affected.
For users
Go to [My Place -> Preferences -> Grid] and click the "Delete my user settings" button, then restart your TM Master v2:
For administrators
Go to [Administration -> Users], mark the user(s) you want to delete the user settings for, and click the "Delete user settings for the selected user(s)" button, then ask the relevant user(s) to restart TM Master v2:
