How To Fix VL093 - Communication with System & is not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: VL -

• Message number: 093

• Message text: Communication with System & is not defined

What causes this issue?

The non-SAP system identified by communication number &V1& is not
defined for communication with your system.

How to fix this error?

If you are authorized to do so, you can create communication numbers for
non-SAP systems, make changes and display existing table entries in
<GL:Customizing>Customizing</> as necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VL093 - Communication with System & is not defined ?

  The SAP error message VL093, which states "Communication with System & is not defined," typically occurs in the context of logistics and shipping processes, particularly when dealing with outbound deliveries. This error indicates that the system is unable to establish communication with a specified system, which could be due to various reasons.
  Causes:
  
  Missing Configuration: The communication settings for the specified system (e.g., a connected system or a partner system) may not be properly configured in the SAP system.
  Incorrect Partner Profile: The partner profile for the communication may not be set up correctly, leading to issues in establishing communication.
  Network Issues: There could be network connectivity issues preventing communication between the SAP system and the external system.
  Authorization Issues: The user or system may not have the necessary authorizations to communicate with the specified system.
  System Down: The external system may be down or not reachable at the moment.
  
  Solutions:
  
  
  Check Configuration:
  
  Go to transaction code WE20 to check the partner profiles. Ensure that the partner profile for the specified system is correctly configured.
  Verify that the logical system is defined in transaction code BD54.
  
  
  
  Review Communication Settings:
  
  Check the settings in transaction code WE21 for the communication method being used (e.g., IDoc, RFC, etc.).
  Ensure that the communication type is correctly set up for the outbound delivery process.
  
  
  
  Network Connectivity:
  
  Test the network connection to the external system. You can use tools like ping or telnet to check connectivity.
  Ensure that firewalls or network policies are not blocking the communication.
  
  
  
  Authorization Check:
  
  Verify that the user or system has the necessary authorizations to perform the communication. Check roles and authorizations in transaction code PFCG.
  
  
  
  Check External System:
  
  Ensure that the external system is up and running. If it is down, coordinate with the relevant team to resolve the issue.
  
  
  
  Review Logs:
  
  Check the application logs (transaction code SLG1) for any additional error messages that may provide more context about the issue.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  WE20: Partner Profiles
  WE21: Port Definition
  BD54: Logical System
  SLG1: Application Log
  SM58: Asynchronous RFC Errors
  
  
  
  Documentation: Refer to SAP Help documentation for more details on configuring communication settings and troubleshooting communication issues.
  
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.