Why did my transaction return a “provider_request_error”?

This error message indicates that the request sent to the provider is not in the correct format.

Processing with SHVA

If your request contains the "reconciliation_id" parameter, please make sure that the value submitted in this field consists of digits only and does not exceed SHVA's limit of 8 digits.

For more information about "reconciliation_id" and the integration of SHVA please refer to the PaymentsOS documentation in the the following link.