How To Fix MW538 - Error in qty simulation (material &1, item &2)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 538

• Message text: Error in qty simulation (material &1, item &2)

What causes this issue?

An error occurred during calculation of the plant quantity from the
item quantity

System Response

INCLUDE ISR_VERARBEITUNG

How to fix this error?

INCLUDE ISR_SYSTEMFEHLER

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW538 - Error in qty simulation (material &1, item &2) ?

  The SAP error message MW538, which states "Error in qty simulation (material &1, item &2)," typically occurs during inventory management processes, particularly when there is an issue with quantity simulation for a specific material and item. This error can arise in various scenarios, such as during goods movements, stock transfers, or inventory counts.
  Causes of MW538 Error
  
  
  Material Master Issues: The material may not be set up correctly in the material master. This includes missing or incorrect data in fields related to inventory management.
  
  
  Stock Type Issues: The stock type (e.g., unrestricted, quality inspection, blocked) may not be properly defined or may not allow the operation being performed.
  
  
  Quantity Calculation Errors: There may be discrepancies in the quantity calculations due to incorrect stock levels, reservations, or open purchase orders.
  
  
  
  Configuration Issues: There may be configuration issues in the system related to inventory management or material valuation.
  
  
  User Authorizations: The user may not have the necessary authorizations