How To Fix /ISDFPS/MM556 - Quantity Deviation in Material &1: &3

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/MM -

• Message number: 556

• Message text: Quantity Deviation in Material &1: &3

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/MM556 - Quantity Deviation in Material &1: &3 ?

  The SAP error message /ISDFPS/MM556 Quantity Deviation in Material &1: &3 typically indicates that there is a discrepancy between the expected quantity and the actual quantity for a material in a specific context, often related to inventory management or material movements.
  Cause:
  
  Quantity Mismatch: The most common cause is that the quantity being processed (e.g., during a goods movement, inventory count, or production order) does not match the quantity recorded in the system.
  Incorrect Document: The document being processed may not have the correct quantities due to manual entry errors or incorrect data from upstream processes.
  Stock Type Issues: The material may be in a different stock type (e.g., unrestricted, blocked, quality inspection) than expected.
  Batch Management: If the material is batch-managed, there may be issues with batch quantities.
  Configuration Issues: There may be configuration settings in the system that are causing the discrepancy.
  
  Solution:
  
  Verify Quantities: Check the quantities in the relevant documents (e.g., purchase orders, production orders, inventory counts) to ensure they match the expected values.
  Adjust Quantities: If there is a legitimate discrepancy, adjust the quantities in the system to reflect the actual situation. This may involve creating a new goods movement or adjusting inventory.
  Check Stock Types: Ensure that the material is in the correct stock type and that there are no restrictions preventing the movement.
  Review Batch Management: If applicable, check the batch management settings and ensure that the batch quantities are correct.
  Consult Logs: Review system logs or error messages for additional context that may help identify the root cause of the discrepancy.
  User Training: Ensure that users are trained on proper data entry and inventory management processes to minimize future discrepancies.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MMBE (Stock Overview), MB1A (Goods Withdrawal), and MB1B (Transfer Posting) to investigate stock levels and movements.
  Material Master Data: Review the material master data for any inconsistencies or errors that could lead to quantity deviations.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to SAP documentation for detailed explanations of inventory management processes and best practices.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in inventory management.