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

MDMXFW028 - Overview

• 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