How To Fix 64526 - No. of units not possible; negative position &1 unit on &2

SAP Error Message - Details

• Message type: E = Error

• Message class: 64 - Treasury Management: Securities

• Message number: 526

• Message text: No. of units not possible; negative position &1 unit on &2

.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 64526 - No. of units not possible; negative position &1 unit on &2 ?

  The SAP error message "64526 No. of units not possible; negative position &1 unit on &2" typically occurs in the context of inventory management or material movements. This error indicates that there is an attempt to process a transaction that would result in a negative stock level for a particular material.
  Cause:
  
  Negative Stock Position: The error arises when a transaction (like a goods issue, transfer posting, or return) attempts to reduce the stock of a material below zero. For example, if you have 5 units of a material and you try to issue 6 units, the system will generate this error.
  Incorrect Stock Levels: The stock levels in the system may not be updated correctly due to previous transactions, leading to discrepancies.
  Configuration Issues: There may be settings in the material master or inventory management configuration that do not allow negative stock levels.
  
  Solution:
  
  Check Current Stock Levels: Verify the current stock levels of the material in question using transaction codes like MMBE (Stock Overview) or MB52 (List of Warehouse Stocks on Hand). Ensure that the stock is sufficient for the transaction you are trying to perform.
  Adjust the Transaction: If the stock is insufficient, adjust the quantity in your transaction to ensure it does not exceed the available stock.
  Review Previous Transactions: Check for any recent transactions that may have incorrectly adjusted stock levels. You can use transaction MB03 to view material documents and identify any discrepancies.
  Enable Negative Stock (if applicable): If your business process allows for negative stock (not recommended in most cases), you can enable this feature in the material master settings. This is done in the material master record under the "Plant Data / Storage" view by setting the "Negative Stock" indicator.
  Consult with SAP Support: If the issue persists and you cannot identify the cause, it may be beneficial to consult with your SAP support team or refer to SAP Notes for further troubleshooting.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MMBE, MB52, MB03, and MB1A (Goods Withdrawal) to manage and analyze stock levels.
  Material Master: Review the material master data for the affected material to ensure all settings are correct.
  Inventory Management Configuration: Check the configuration settings in the SAP IMG (Implementation Guide) related to inventory management and stock management.
  
  By following these steps, you should be able to resolve the error and ensure that your inventory transactions are processed correctly.