How To Fix RTCMMD404 - Distribution model not maintained for IDoc type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RTCMMD - Article Hierarchy

• Message number: 404

• Message text: Distribution model not maintained for IDoc type &1

Self-Explanatory Message

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• What is the cause and solution for SAP error message RTCMMD404 - Distribution model not maintained for IDoc type &1 ?

  The SAP error message RTCMMD404 indicates that there is no distribution model maintained for the specified IDoc type. This error typically occurs when you are trying to send or receive IDocs, and the system cannot find the necessary configuration to handle the IDoc type in question.
  Cause:
  The primary cause of this error is that the distribution model for the specified IDoc type has not been defined in the system. The distribution model is essential for determining how data is distributed between different systems in an SAP landscape, especially in scenarios involving ALE (Application Link Enabling) and IDocs.
  Solution:
  To resolve the RTCMMD404 error, you need to maintain the distribution model for the IDoc type. Here are the steps to do this:
  
  
  Access the Distribution Model:
  
  Go to transaction code BD64 in the SAP GUI. This transaction is used to maintain the distribution model.
  
  
  
  Create or Modify the Distribution Model:
  
  If a distribution model does not exist for the IDoc type, you will need to create one.
  Click on the "Create" button to define a new distribution model.
  Specify the relevant parameters, including the logical systems involved and the IDoc type that you want to maintain.
  
  
  
  Add the IDoc Type:
  
  In the distribution model, ensure that the IDoc type is included. You can do this by selecting the appropriate logical system and then adding the IDoc type under the "IDoc Types" section.
  
  
  
  Save the Changes:
  
  After making the necessary changes, save the distribution model.
  
  
  
  Check Logical Systems:
  
  Ensure that the logical systems involved in the distribution model are correctly configured and that they are defined in transaction BD54.
  
  
  
  Test the Configuration:
  
  After maintaining the distribution model, test the IDoc processing again to see if the error has been resolved.
  
  
  
  Related Information:
  
  IDoc Types: IDocs are structured data formats used for data interchange between SAP systems and external systems. Each IDoc type corresponds to a specific business process.
  ALE (Application Link Enabling): ALE is a technology that enables the integration of different SAP systems and non-SAP systems by using IDocs for data exchange.
  Transaction Codes:
  
  BD64: Maintain Distribution Model
  BD54: Maintain Logical Systems
  WE20: Partner Profiles (to configure partner profiles for IDoc processing)
  
  
  
  By following these steps, you should be able to resolve the RTCMMD404 error and ensure that the distribution model is correctly maintained for the specified IDoc type.