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Support Home FAQ System Admin OAuth Error when authorising Payment2us

OAuth Error when authorising Payment2us

This is regarding the following error upon trying to authorize payments2us:

Error message:
We can't authorize you because of an Oauth error. For more information, contact your Salesforce Administrator.

OAUTH_APPROVAL_ERROR_GENERIC: An unexpected error has occured during authentication. Please try again.

Solution:

Please follow the steps under “Steps to Install Payments2Us Connected app” in the following article: https://help.payments2us.com/en_US/salesforce-alertsnotifications/salesforce-connected-apps-changes

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Updated at October 9th, 2025