How To Fix N2M134 - Reduction of association quantity by &1 &2 not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: N2M - Global Trade: Item Category Management

• Message number: 134

• Message text: Reduction of association quantity by &1 &2 not possible

What causes this issue?

You want to reduce an association quantity by &V1& &V2&. As a result,
the actually associated quantity of the preceding association is
increased by the same quantity, in other words, by &V3& &V2&.

System Response

The reduction in the association has an effect on the preceding item
&V3&. However, this item only has an open quantity of &V4& &V2&. As a
result, the association quantity cannot be reduced.

How to fix this error?

Correct the quantity.

Procedure for System Administrators

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 N2M134 - Reduction of association quantity by &1 &2 not possible ?

  The SAP error message N2M134 "Reduction of association quantity by &1 &2 not possible" typically occurs in the context of managing associations in SAP, particularly in modules related to materials management or production planning. This error indicates that there is an attempt to reduce the quantity of an association (such as a component in a bill of materials or a production order) that cannot be processed due to certain constraints.
  Causes:
  
  Quantity Constraints: The quantity you are trying to reduce may be less than the minimum required quantity for the association.
  Status of the Document: The document (e.g., production order, purchase order) may be in a status that does not allow for changes to the association quantities.
  Dependencies: There may be dependencies or links to other documents or processes that prevent the reduction of the quantity.
  Configuration Issues: There may be configuration settings in the system that restrict changes to association quantities.
  
  Solutions:
  
  Check Minimum Quantity Requirements: Verify if there are minimum quantity requirements for the association. If so, ensure that your reduction does not violate these requirements.
  Review Document Status: Check the status of the document you are working with. If it is in a status that does not allow changes (e.g., completed, closed), you may need to change the status or create a new document.
  Analyze Dependencies: Look for any dependencies or linked documents that may be preventing the reduction. You may need to resolve these dependencies first.
  Consult Configuration Settings: If you suspect that configuration settings are causing the issue, consult with your SAP administrator or a functional consultant to review the settings related to associations and quantities.
  Use Transaction Codes: Utilize relevant transaction codes (like CO02 for production orders, or CS02 for bill of materials) to check and modify the associations as needed.
  Error Logs: Check the error logs for more detailed information about the error, which may provide additional context or specific reasons for the failure.
  
  Related Information:
  
  SAP Notes: Search for SAP Notes related to error N2M134 in the SAP Support Portal. There may be specific notes addressing this error with additional guidance or patches.
  Documentation: Review SAP documentation related to the specific module you are working with (e.g., MM, PP) for best practices on managing associations and quantities.
  Community Forums: Consider checking SAP community forums or discussion boards for similar issues faced by other users and their solutions.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with SAP support for further assistance.