What does Organization Not Found mean when trying to connect to Eventbrite?

The error "Organization Not Found" after connecting to Eventbrite for the first time on Eventbrite Settings indicates a problem with the connection between Salesforce and Eventbrite, including multiple Eventbrite sessions saved on your browser or a conflict with residual settings from production if you are testing in a sandbox.

Sandboxes: Please see our Sandbox guide.

 Production or Sandbox:

• Try the connection process in an incognito browser.
• Open the Eventbrite Settings page in Salesforce. Click the dropdown arrow next to "Sync Now" and select "Reconnect to Eventbrite.