How to use Shopify's oidc function

We are on the Shopify Plus plan. According to Shopify’s documentation:https://help.shopify.com/en/manual/customers/customer-accounts/new-customer-accounts/identity-provider , we have connected to identity providers such as Microsoft and our own ID login system. However, the following error is reported during testing. How can I solve it?

An error occurred.

Access token request error.

Request ID : 5d8f204a-05ef-4da3-b26a-47f53fbbdabf-1741169592

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state=01JNJWPY2E7K016HRZZS54B0W7

Can you describe this more to help us troubleshoot your issue?