How To Fix VL480 - The partner system is currently not available. Simulation is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: VL -

• Message number: 480

• Message text: The partner system is currently not available. Simulation is not possible

What causes this issue?

The simulation could not be performed, because the partner system is
currently not available or you have temporarily deactivated change
management.

System Response

If you process the delivery in the central system, you cannot save your
changes as long as the decentralized system is not available.
If you process the delivery in the decentralized WMS and the central
system is not available, the system behavior at save depends on the
relevant Customizing settings.

How to fix this error?

Inform your system administrator about the system availability.
Partnersystems.
If you process the delivery in the decentralized system, you can
continue processing up until you save the delivery.

Procedure for System Administrators

You can set the system behavior in Customizing for the situation where
the central system is not available. For more information, see the
Implementation Guide (IMG) under <ZK>Logistics Execution</> -->
<ZK>Decentralized WMS Integration</> --> <ZK>Local Operations</> -->
<ZK>Application</> --> <DS:SIMG.SIMG_LE_IDW_DEC_CHG>Controlling Change
Management for Deliveries</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VL480 - The partner system is currently not available. Simulation is not possible ?

  The SAP error message VL480, which states "The partner system is currently not available. Simulation is not possible," typically occurs in the context of logistics and supply chain processes, particularly when dealing with outbound deliveries or related transactions. This error indicates that the system is unable to communicate with a partner system (such as a connected system or an external application) that is necessary for processing the transaction.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the partner system.
  Partner System Down: The partner system may be temporarily down for maintenance or experiencing outages.
  Configuration Issues: Incorrect configuration settings in the SAP system or the partner system can lead to communication failures.
  Authorization Issues: The user may not have the necessary authorizations to access the partner system.
  System Settings: The partner system may not be properly defined in the SAP system, or the relevant settings may not be activated.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there is a stable network connection between the SAP system and the partner system. You can use tools like ping or traceroute to diagnose connectivity issues.
  Verify Partner System Status: Check if the partner system is operational. If it is down, you may need to wait until it is back online or contact the relevant support team.
  Review Configuration: Ensure that the partner system is correctly configured in the SAP system. This includes checking the partner profiles, logical systems, and any relevant settings in transaction codes like WE20 (Partner Profiles) and BD54 (Logical Systems).
  Check Authorizations: Verify that the user has the necessary authorizations to access the partner system. This may involve checking user roles and permissions.
  Consult Logs: Review system logs (such as SLG1 for application logs) for any additional error messages or warnings that may provide more context about the issue.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or the support team for the partner system for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as WE20 for partner profiles, BD54 for logical systems, and SLG1 for application logs.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to the specific modules you are working with (e.g., SD, MM) for more context on partner system configurations and integrations.
  
  By following these steps, you should be able to diagnose and resolve the VL480 error effectively.