How To Fix XS840 - No delivery to & because pager/SMS service returned an error

XS840 - Overview

• Message type: E = Error

• Message class: XS - SAPconnect: All messages

• Message number: 840

• Message text: No delivery to & because pager/SMS service returned an error

What causes this issue?

The message was processed correctly in the SAP system. The message could
not be delivered to recipient &V1& however. The SMS service used
returned an error.
Information from external system (if available)
&V4&
&V2&&V3&

How to fix this error?

Depending on the error description, check whether the configuration of
the SAPconnect node matches the specification of the service provider.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

XS840 - Details

• The SAP error message XS840 indicates that there was an issue with the delivery of a message to a specified recipient due to a failure in the pager or SMS service. This error can occur in various SAP applications that utilize messaging services for notifications, alerts, or other communications.
  
  Cause:
  The error can be caused by several factors, including:
  
  
  Configuration Issues: Incorrect configuration of the SMS or pager service in the SAP system.
  Service Availability: The external SMS or pager service may be down or experiencing issues.
  Network Problems: There may be network connectivity issues preventing the SAP system from reaching the SMS or pager service.
  Recipient Issues: The recipient's phone number or pager ID may be incorrect or not properly formatted.
  Quota Limits: The SMS or pager service may have reached its quota limit for sending messages.
  Authentication Issues: There may be authentication problems with the SMS or pager service, such as invalid credentials.
  
  
  Solution:
  To resolve the XS840