Salesforce Experience Cloud users receive ‘invalid_grant’ during Box Preview while logging in as customer community plus licensed user
Current Status:
- Internal Salesforce users can preview files successfully.
- Customer Community Plus users cannot preview files.
- Box App is Authorized and Enabled.
- Generate User Access Tokens is enabled.
- Make API calls using the as-user header was enabled and saved.
- Required file and folder scopes are enabled.
- Box service account owns the content.
- External collaboration is enabled.
