How To Fix L9004 - Incorrect key during blocking

L9004 - Overview

• Message type: E = Error

• Message class: L9 - Function Modules

• Message number: 004

• Message text: Incorrect key during blocking

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 L9004 - Incorrect key during blocking ?

  The SAP error message L9004, which states "Incorrect key during blocking," typically occurs in the context of inventory management or warehouse management processes. This error indicates that there is an issue with the key used to block a material or stock in the system. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Incorrect Material Number: The material number provided may not exist or may be incorrect.
  Invalid Storage Location: The storage location specified may not be valid for the material.
  Blocking Key Issues: The blocking key used may not be defined correctly in the system.
  Data Inconsistencies: There may be inconsistencies in the database or master data related to the material or storage location.
  Authorization Issues: The user may not have the necessary authorizations to perform the blocking operation.
  
  Solutions:
  
  
  Verify Material and Storage Location:
  
  Check if the material number and storage location are correct and exist in the system.
  Use transaction codes like MM03