How To Fix WU839 - Enter either the allocation rule or allocation strategy

SAP Error Message - Details

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 839

• Message text: Enter either the allocation rule or allocation strategy

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 WU839 - Enter either the allocation rule or allocation strategy ?

  The SAP error message WU839, which states "Enter either the allocation rule or allocation strategy," typically occurs in the context of SAP's logistics and supply chain modules, particularly when dealing with allocation processes in inventory management or production planning.
  Cause:
  This error arises when a user attempts to execute a transaction or process that requires either an allocation rule or an allocation strategy to be defined, but neither has been provided. Allocation rules and strategies are essential for determining how resources, materials, or inventory are distributed or allocated in various scenarios, such as during production or order fulfillment.
  Solution:
  To resolve the WU839 error, you need to ensure that either an allocation rule or an allocation strategy is specified in the relevant transaction or configuration. Here are the steps you can take:
  
  
  Check Configuration:
  
  Navigate to the relevant configuration settings in SAP (usually found in the IMG - Implementation Guide).
  Ensure that allocation rules and strategies are defined in the system. This can typically be found under the logistics or production planning sections.
  
  
  
  Enter Allocation Rule/Strategy:
  
  When prompted by the system, enter either an allocation rule or an allocation strategy in the relevant fields.
  If you are unsure which one to use, consult with your SAP functional consultant or refer to your organization's documentation on allocation processes.
  
  
  
  Review Master Data:
  
  Check the master data for the materials or products involved in the transaction. Ensure that the necessary allocation settings are correctly maintained.
  
  
  
  User Authorization:
  
  Ensure that you have the necessary authorizations to access and modify allocation rules and strategies.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help files for more detailed information on how to set up and use allocation rules and strategies.
  
  
  
  Testing:
  
  After making the necessary changes, test the transaction again to ensure that the error has been resolved.
  
  
  
  Related Information:
  
  Allocation Rule: This defines how inventory is allocated to different orders or production processes. It can include criteria such as priority, availability, and specific business rules.
  Allocation Strategy: This is a broader approach that outlines how to manage inventory allocation across various scenarios, often involving multiple allocation rules.
  Transaction Codes: Familiarize yourself with relevant transaction codes (like MD04 for stock overview, or other relevant codes) that may help in managing allocation settings.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  
  If the problem persists after following these steps, it may be beneficial to engage with your SAP support team or consult with an SAP expert for further assistance.