How To Fix B1145 - Message type & is not relevant to reduction

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 145

• Message text: Message type & is not relevant to reduction

What causes this issue?

In the SAP System there are different message types for different
applications. However, in this case message type &v1& has nothing to
with reductions.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Please choose a message type relevant to reduction.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1145 - Message type & is not relevant to reduction ?

  The SAP error message B1145 ("Message type & is not relevant to reduction") typically occurs in the context of billing or invoicing processes, particularly when dealing with credit memos or reductions in billing documents. This error indicates that the message type you are trying to use is not applicable for the reduction process you are attempting to execute.
  
  Cause:
  
  Incorrect Message Type: The message type you are trying to use is not configured to handle reductions or credit memos.
  
  Configuration Issues: The message type may not be set up correctly in the system for the specific billing or invoicing scenario.
  Document Type Restrictions: Certain document types may not allow for reductions or may have specific message types associated with them that do not support reductions.
  
  
  Solution:
  
  
  Check Message Type Configuration:
  
  Go to the transaction code NACE to check the configuration of the message type in the relevant application area (e.g., billing).
  Ensure that the message type you are