How To Fix IOPOL105 - Negative Numbers are not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: IOPOL - Object Lists/ Operations

• Message number: 105

• Message text: Negative Numbers are not allowed

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 IOPOL105 - Negative Numbers are not allowed ?

  The SAP error message IOPOL105, which states "Negative Numbers are not allowed," typically occurs in the context of inventory management or production planning when a negative value is being processed in a field that does not accept it. This can happen in various scenarios, such as when dealing with stock quantities, production orders, or inventory adjustments.
  Causes:
  
  Negative Stock Values: Attempting to enter a negative quantity for stock levels, which is not permitted in certain configurations.
  Incorrect Data Entry: Manual entry errors where a negative value is mistakenly inputted.
  Configuration Issues: The system may be configured to disallow negative values for specific transactions or materials.
  Business Rules: Certain business processes may inherently not allow negative values, such as in the case of certain inventory valuation methods.
  
  Solutions:
  
  Check Input Values: Review the data being entered to ensure that no negative values are being inputted where they are not allowed.
  Review Configuration Settings: Check the configuration settings in the relevant modules (like Inventory Management or Production Planning) to see if negative stock is allowed. This can be done in the IMG (Implementation Guide) under the relevant sections.
  Adjust Inventory Levels: If the error arises from inventory levels, ensure that stock levels are adjusted correctly to avoid negative quantities.
  Consult Documentation: Refer to SAP documentation or help files for specific guidelines on handling negative values in the context of your business processes.
  User Training: Ensure that users are trained on the correct procedures for entering data to avoid negative values.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may be involved in the process, such as MIGO (Goods Movement), MB1A (Goods Withdrawal), or CO01 (Create Production Order).
  SAP Notes: Check for any SAP Notes related to this error message for patches or updates that may address the issue.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By addressing the root cause of the negative value entry and ensuring proper configuration and user training, you can resolve the IOPOL105 error effectively.