How to solve this some user total sale by cashier showing * as user

No username/* is a bug when you have autologout selected and automation which tries to to do something after ticket has been closed (and logout triggered).
Dont use autologout and create an execute automation command to put in your rules where you want to trigger logout but set background field to true to make it wait untill ALL other automation is complete. Then a command executed rule with logout action.

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