- If you face the above-shown error, check for the Post Login URL on the app page.
- Go to the Shopify Single Sign-On (SSO) application
- Navigate to More Action >> Additional Settings option against the IDP you have configured.
- Go to Post Login Configurations tab, and enter the endpoint in this section.
- It should only contain the endpoints, such as /cart or /collections.
- Click on Save. Refresh and try again.
