Log in to Workspace Admin panel is infinite loop - Google Help
Search results for workspace looped back to account selection when accessing admin console
You are an administrator of your nonprofit’s Google Workspace account but you are unable to log in to admin.google.com.
Troubleshoot a Google Workspace to Google Workspace connection
Troubleshoot single sign-on (SSO)
You are trying to activate Google Workspace for Nonprofits and are getting an error that a Google Workspace account for your nonprofit's domain already exists.
You are seeing the error “admin.google.com is used for Google Workspace accounts only. Regular Gmail accounts cannot be used to sign into admin.google.com.”