How To Fix MDMXFW028 - Communication type &1 is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: MDMXFW - MDC Extraction Framework

• Message number: 028

• Message text: Communication type &1 is not allowed

What causes this issue?

The extraction controller was called using a communication
type that is not allowed.
The communication with the XI takes place either using Proxy or using
IDoc.

System Response

Data extraction is cancelled.

How to fix this error?

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDMXFW028 - Communication type &1 is not allowed ?

  The SAP error message MDMXFW028, which states "Communication type &1 is not allowed," typically occurs in the context of Master Data Management (MDM) or when dealing with communication types in SAP systems. This error indicates that the specified communication type (represented by &1) is not permitted for the operation you are trying to perform.
  Cause:
  
  Invalid Communication Type: The communication type you are trying to use may not be configured correctly in the system or is not allowed for the specific transaction or process.
  Configuration Issues: There may be restrictions in the configuration settings that prevent the use of certain communication types.
  Authorization Issues: The user may not have the necessary authorizations to use the specified communication type.
  Data Integrity Issues: The data being processed may not meet the requirements for the specified communication type.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the relevant configuration settings in SAP (e.g., SPRO) and verify the allowed communication types for the specific process you are working with.
  Ensure that the communication type you are trying to use is correctly defined and enabled.
  
  
  
  Review User Authorizations:
  
  Check if the user has the necessary authorizations to perform the action with the specified communication type. You may need to consult with your SAP security team.
  
  
  
  Validate Data:
  
  Ensure that the data being processed is valid and meets the requirements for the communication type. This may involve checking the master data or transactional data involved.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific details about the communication types and their allowed usage.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with the context of the error and any relevant details.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to access configuration settings or user authorizations.
  SAP Notes: Search for relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Community Forums: Check SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.