How To Fix MDO_COMMON020 - No communication system found for destination &1 in distribution model &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MDO_COMMON - MDO messages

• Message number: 020

• Message text: No communication system found for destination &1 in distribution model &2

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDO_COMMON020 - No communication system found for destination &1 in distribution model &2 ?

  The SAP error message MDO_COMMON020 indicates that there is no communication system found for the specified destination in the distribution model. This typically occurs in the context of SAP's Application Link Enabling (ALE) or when working with distributed systems.
  Cause:
  
  Missing Communication System: The communication system that is supposed to be linked to the logical system in the distribution model is not defined or is incorrectly configured.
  Incorrect Distribution Model: The distribution model may not be set up correctly, or the logical system may not be included in the model.
  Configuration Issues: There may be issues with the configuration of the ALE settings or the logical systems involved.
  Transport Layer Issues: The transport layer may not be correctly defined or may not match the logical systems.
  
  Solution:
  
  
  Check Communication System Configuration:
  
  Go to transaction SALE (ALE Distribution Model).
  Check the distribution model and ensure that the communication system is correctly defined for the logical system in question.
  If the communication system is missing, you will need to create it.
  
  
  
  Define Logical Systems:
  
  Ensure that the logical systems are correctly defined in transaction SALE under "Logical Systems".
  Make sure that the logical system you are trying to use is active and correctly configured.
  
  
  
  Review Distribution Model:
  
  In transaction SALE, check the distribution model to ensure that the relevant logical systems are included and that the necessary message types are activated.
  
  
  
  Check Transport Layer:
  
  Ensure that the transport layer is correctly defined and that it matches the logical systems involved in the communication.
  
  
  
  Recreate or Adjust the Distribution Model:
  
  If necessary, you may need to recreate the distribution model or adjust the existing one to include the correct communication systems.
  
  
  
  Check for Authorizations:
  
  Ensure that you have the necessary authorizations to view and modify the distribution model and communication systems.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SALE: For managing the distribution model and logical systems.
  BD54: To maintain the distribution model.
  BD87: To monitor and process IDocs if applicable.
  
  
  
  Documentation: Refer to SAP Help documentation for ALE and distribution model configuration for more detailed steps and best practices.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  
  By following these steps, you should be able to resolve the MDO_COMMON020 error and ensure that your communication systems are properly configured for the distribution model.