Authorize.net: E00027. The configuration with the processor is invalid. Call Merchant Service Provider

What This Means

There is an issue with your configuration between your gateway and Merchant Service Provider. Issues with configuration can be many things, such as a hold on your account.

‘E00027’ is a response given by Authorize.Net regardless of which filter has vetoed the payment (it is also thrown when form fields are marked as required), but Authorize.Net will send you an email with details on which filter was triggered.

Suggested Next Steps

You will need to contact AuthorizeNet for help resolving this issue. You can ask them for a detailed error message which you can also send to your Merchant Service Provider for further assistance as well.
You can check with the Authorize.Net web interface for specifics and reports on which filter stopped the payment from going through at Reports > Transaction Detail or Transaction Search > Suspicious/Unsettled transactions.
To learn more please see this Authorize.Net help doc: Transaction Reporting.

After Resolving The Issue

Once this issue is resolved, you should use the action to Restart Processing the Failed Scheduled Order.