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cannot open setup
when i open setup there's no button i can click on the left side, when i try to click object manager, i got some error notification,
here's the error :

Anyone know why ?
here's the error :
Anyone know why ?
You need to use My domina before using it and deploy user after your domain is ready
https://help.salesforce.com/articleView?id=domain_name_setup.htm&type=5..
Roll out My Domain to your org by deploying users