How To Fix /SCWM/RF_EN022 - Negative quantity not permitted

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/RF_EN -

• Message number: 022

• Message text: Negative quantity not permitted

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 /SCWM/RF_EN022 - Negative quantity not permitted ?

  The SAP error message /SCWM/RF_EN022 Negative quantity not permitted typically occurs in the context of warehouse management processes, particularly when using the RF (Radio Frequency) interface in SAP Extended Warehouse Management (EWM). This error indicates that a negative quantity is being attempted in a transaction where it is not allowed, such as during picking, putaway, or inventory adjustments.
  Cause:
  
  Negative Quantity Entry: The most common cause is that the user is trying to enter a negative quantity for a transaction that does not support it. For example, attempting to pick a negative quantity or return a negative quantity.
  Configuration Issues: There may be configuration settings in the system that do not allow negative quantities for certain materials or processes.
  Stock Type Restrictions: The stock type (e.g., unrestricted, blocked, etc.) may not allow negative quantities.
  Inventory Management Settings: The settings in Inventory Management may restrict negative quantities for certain movements.
  
  Solution:
  
  Check Input Values: Ensure that the quantity being entered is positive and valid for the transaction being performed.
  Review Transaction Type: Verify that the transaction type being executed allows for the quantity being entered. For example, if you are performing a picking operation, ensure that you are not trying to pick more than what is available.
  Configuration Review: If the issue persists, review the configuration settings in SAP EWM related to the specific material and transaction type. Check if there are any restrictions on negative quantities.
  Stock Overview: Use the stock overview transaction to check the available stock for the material in question. Ensure that there is sufficient stock to perform the operation.
  Consult Documentation: Refer to SAP documentation or help files for specific details on the transaction and any restrictions that may apply.
  User Training: Ensure that users are trained on the correct procedures for entering quantities in the RF interface to avoid such errors.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP EWM, such as /SCWM/PRDI for picking and /SCWM/PUTAWAY for putaway processes.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Support: If the issue cannot be resolved through the above steps, consider reaching out to your SAP support team or consulting with an SAP EWM expert for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.