Customer Profiles is unable to connect to your Amazon EventBridge partner event source for Shopify.

While integrating Amazon Connect customer profiles i am getting this error Customer Profiles is unable to connect to your Amazon EventBridge partner event source for Shopify. Follow the steps in Source set up to verify it is configured properly. What I have done is created a partner app in Shopify at https://partners.shopify.com/XXXXXXXX/apps and in the app created an Amazon EventBridge source

and then passed the client ID, and connection URL as https://partners.shopify.com/XXXXXXXX/apps/XXXXXX in Add data source integration of customer profiles as