To fix the endpoint error:
- Log in to your Salesforce instance by removing everything after .com in your Simpplr url and hitting the Enter key. Once in Salesforce, click Setup at the top.
2. Type installed packages into the Quick Find box and click Installed Packages. Find and click Simpplr.
3. Navigate to Post Install Instructions and click View.
4. Scroll down to Additional Instructions, and below the Simpplr app, select Click here. Then click Save on the Remote Site Edit page.