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Satria Akbar NugrohoSatria Akbar Nugroho 

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 :
User-added image

Anyone know why ?
Raj VakatiRaj Vakati


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..
 
Raj VakatiRaj Vakati
Choose your domain name. a. From Setup, enter My Domain in the Quick Find box, then select My Domain. b. Enter a name for your domain after https:// and click Check Availability. ...
Roll out My Domain to your org by deploying users