How To Fix M7602 - Stock population has been formed

SAP Error Message - Details

• Message type: E = Error

• Message class: M7 - Inventory Management and Physical Inventory

• Message number: 602

• Message text: Stock population has been formed

What causes this issue?

The system has created the stock population according to the allocated
stock management levels.

How to fix this error?

Via the menu options <LS>Goto -> Display lists<LS>, you can display the
stock population as follows:
all elements of the stock population
all elements of the complete-count area
all elements of the sampling area
those elements of the stock population for which a physical inventory
is already active
When you save this inventory sampling, the stock population will also
be saved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M7602 - Stock population has been formed ?

  The SAP error message M7602, which states "Stock population has been formed," typically occurs in the context of inventory management and stock movements. This message indicates that a stock population (a group of stock items) has already been created for a particular transaction or process, and further actions cannot be performed until the existing stock population is resolved.
  Cause:
  
  Existing Stock Population: The error usually arises when there is an attempt to create or modify stock data (like a goods movement or inventory count) while a stock population is already in place for the same material or location.
  Incomplete Transactions: If a previous transaction involving stock movements was not completed or was interrupted, it may leave the system in a state where it believes a stock population is still active.
  System Locking: Sometimes, system locks or inconsistencies in the database can lead to this error, especially in multi-user environments.
  
  Solution:
  
  Check Existing Stock Populations: Use transaction codes like MB52 (List Warehouse Stocks on Hand) or MMBE (Stock Overview) to check if there are existing stock populations for the material in question.
  Complete or Cancel Previous Transactions: If there are incomplete transactions, try to complete or reverse them. This may involve using transaction codes like MB1A (Goods Withdrawal), MB1B (Transfer Posting), or MB1C (Other Goods Receipts).
  Clear Locks: If the issue is due to system locks, you may need to wait for the locks to be released or contact your SAP Basis team to clear them.
  Consult Logs: Check the application logs (transaction SLG1) for any additional error messages or information that could provide more context on the issue.
  Reprocess the Stock Population: If applicable, you may need to reprocess the stock population using the appropriate transaction or program designed for that purpose.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MB1A, MB1B, MB1C, MB52, and MMBE for managing stock movements and checking stock levels.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  User Permissions: Ensure that you have the necessary permissions to perform stock movements and that there are no authorization issues causing the error.
  Documentation: Refer to SAP documentation or user manuals for detailed procedures on handling stock populations and inventory management.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth assistance.