How To Fix /PLMI/RCA_CALC073 - System cannot calculate quantity for item &1; the value would be negative

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMI/RCA_CALC -

• Message number: 073

• Message text: System cannot calculate quantity for item &1; the value would be negative

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMI/RCA_CALC073 - System cannot calculate quantity for item &1; the value would be negative ?

  The SAP error message /PLMI/RCA_CALC073 indicates that the system is unable to calculate the quantity for a specific item because the resulting value would be negative. This typically occurs in scenarios involving inventory management, production planning, or material requirements planning where the system is trying to determine the available quantity of an item but encounters a situation that would lead to a negative quantity.
  Causes:
  
  Negative Stock Levels: The item may have been issued or consumed in a way that exceeds the available stock, leading to a calculation that results in a negative quantity.
  Incorrect Data Entry: There may be incorrect or inconsistent data in the system, such as wrong quantities in transactions or master data.
  Configuration Issues: The configuration settings for the material or the relevant processes may not be set up correctly, leading to erroneous calculations.
  Pending Transactions: There may be pending transactions (like goods receipts or goods issues) that have not been processed, affecting the available quantity.
  Batch Management: If batch management is enabled, issues with batch quantities can also lead to negative calculations.
  
  Solutions:
  
  Check Stock Levels: Review the stock levels for the item in question. Use transaction codes like MMBE (Stock Overview) to see the current stock situation.
  Review Transactions: Look for any recent transactions that may have affected the stock levels. This includes goods movements, production orders, and sales orders.
  Correct Data Entry: Ensure that all data entries related to the item are correct. This includes checking for any incorrect postings or adjustments.
  Adjust Configuration: If the issue is due to configuration, consult with your SAP configuration team to ensure that the settings for the material and related processes are correct.
  Process Pending Transactions: If there are pending transactions, ensure they are processed to update the stock levels accordingly.
  Batch Management Review: If applicable, check the batch management settings and ensure that batch quantities are correctly maintained.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MB1A, MB1B, MB1C, and MB52 for inventory management and stock movements.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation related to inventory management and material requirements planning for best practices and troubleshooting steps.
  User Roles: Ensure that users have the appropriate roles and authorizations to perform the necessary transactions and adjustments.
  
  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 the relevant module.