How To Fix MW151 - Enter an allocation table or select "All allocation tables"

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 151

• Message text: Enter an allocation table or select "All allocation tables"

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 MW151 - Enter an allocation table or select "All allocation tables" ?

  The SAP error message MW151, which states "Enter an allocation table or select 'All allocation tables'," typically occurs in the context of inventory management or material requirements planning (MRP) when the system expects you to specify an allocation table for a particular operation, such as a stock transfer or inventory allocation.
  Cause:
  
  Missing Allocation Table: The user has not specified an allocation table in the relevant field, which is required for the operation being performed.
  Incorrect Selection: The user may have selected an option that does not correspond to any existing allocation tables.
  Configuration Issues: There may be configuration issues in the system that prevent the allocation tables from being recognized or displayed.
  
  Solution:
  
  
  Specify an Allocation Table: 
  
  Go back to the screen where the error occurred and ensure that you enter a valid allocation table in the designated field.
  If you are unsure of which allocation table to use, consult with your SAP administrator or refer to your organization's documentation.
  
  
  
  Select "All Allocation Tables": 
  
  If applicable, you can choose the option to select "All allocation tables" to bypass the need for a specific table. This option may allow the system to process the request without requiring a specific allocation table.
  
  
  
  Check Configuration: 
  
  If the problem persists, it may be necessary to check the configuration settings related to allocation tables in the SAP system. This may involve working with your SAP Basis or configuration team to ensure that the allocation tables are set up correctly.
  
  
  
  User Training: 
  
  Ensure that users are trained on how to properly use allocation tables within the SAP system to avoid similar errors in the future.
  
  
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to inventory management, such as MB1A (Goods Movement), MB1B (Transfer Posting), or others that involve allocation tables.
  SAP Documentation: Refer to SAP Help documentation for detailed information on allocation tables and their usage in the context of your specific SAP module.
  Support: If the issue cannot be resolved through the above steps, consider reaching out to SAP support or your internal IT support team for further assistance.
  
  By following these steps, you should be able to resolve the MW151 error and continue with your operations in SAP.