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 using is configured to handle reductions or credit memos.
  
  
  
  Use the Correct Message Type:
  
  Identify the appropriate message type that is relevant for reductions. This may involve consulting with your SAP functional consultant or reviewing documentation related to your specific business processes.
  
  
  
  Review Document Type Settings:
  
  Check the settings for the document type you are working with to ensure that it allows for reductions and is linked to the correct message types.
  
  
  
  Consult SAP Notes:
  
  Look for any relevant SAP Notes that may address this specific error message. SAP Notes can provide patches or configuration changes that may resolve the issue.
  
  
  
  Testing:
  
  After making any changes, perform tests to ensure that the error no longer occurs and that the reduction process works as expected.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as NACE (for message determination), VF01 (for billing document creation), and VF02 (for billing document change).
  Documentation: Review SAP documentation related to billing and invoicing processes, particularly sections that cover message types and their configurations.
  SAP Community: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  
  If the issue persists after following these steps, it may be beneficial to involve your SAP support team or a consultant with expertise in SAP billing processes for further investigation.