How To Fix /ISDFPS/MCHG_WD046 - Error assigning storage location &1 to MRP area &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/MCHG_WD -

• Message number: 046

• Message text: Error assigning storage location &1 to MRP area &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/MCHG_WD046 - Error assigning storage location &1 to MRP area &2 ?

  The SAP error message /ISDFPS/MCHG_WD046 indicates an issue with assigning a storage location to a Material Requirements Planning (MRP) area. This error typically arises in the context of SAP's Advanced Planning and Optimization (APO) or similar modules where MRP areas are used to manage inventory and planning at a more granular level.
  Cause:
  The error can occur due to several reasons, including:
  
  Invalid Storage Location: The storage location you are trying to assign may not exist or may not be valid for the specified MRP area.
  Inconsistent Data: There may be inconsistencies in the master data related to the storage location or MRP area.
  Configuration Issues: The configuration settings for MRP areas or storage locations may not be set up correctly.
  Authorization Issues: The user may not have the necessary authorizations to perform the assignment.
  Locked Objects: The storage location or MRP area might be locked due to ongoing transactions or processes.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  Check Storage Location: Verify that the storage location you are trying to assign exists and is correctly configured in the system.
  Validate MRP Area: Ensure that the MRP area is correctly defined and that it is compatible with the storage location.
  Review Master Data: Check the master data for both the storage location and MRP area for any inconsistencies or missing information.
  Configuration Review: Review the configuration settings for MRP areas and storage locations in the relevant customizing transactions (e.g., SPRO).
  Authorization Check: Ensure that the user has the necessary authorizations to perform the assignment.
  Check for Locks: Use transaction codes like SM12 to check for any locks on the storage location or MRP area that might be preventing the assignment.
  Consult Documentation: Refer to SAP documentation or notes related to this specific error message for additional insights or updates.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as MM02 (Change Material), OMI4 (Define MRP Areas), or OMI3 (Display MRP Areas) to check and modify the relevant data.
  SAP Notes: Search for SAP Notes related to this error message in the SAP Support Portal for any known issues or patches.
  User Forums: Consider checking SAP community forums or discussion boards for similar issues faced by other users and their solutions.
  
  If the issue persists after following these steps, it may be beneficial to involve your SAP Basis or technical team for further investigation.