How To Fix /SAPAPO/OM_ERROR120 - Invalid stock type

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR -

• Message number: 120

• Message text: Invalid stock type

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 /SAPAPO/OM_ERROR120 - Invalid stock type ?

  The SAP error message /SAPAPO/OM_ERROR120 Invalid stock type typically occurs in the context of Advanced Planning and Optimization (APO) when there is an issue with the stock type being referenced in a planning or execution process. This error indicates that the stock type specified is not recognized or is invalid in the current context.
  Causes:
  
  Incorrect Stock Type: The stock type being used in the transaction or planning run does not exist in the system or is not valid for the specific operation.
  Configuration Issues: The stock types may not be properly configured in the system, or there may be inconsistencies in the master data.
  Data Entry Errors: Manual entry errors when specifying stock types in transactions or planning runs.
  Master Data Issues: The material master or other related master data may not have the correct stock type settings.
  
  Solutions:
  
  
  Check Stock Type Configuration:
  
  Go to the configuration settings in SAP and verify that the stock types are correctly defined and active.
  Use transaction codes like SPRO to access the configuration settings and navigate to the relevant sections for stock types.
  
  
  
  Validate Master Data:
  
  Check the material master data for the relevant materials to ensure that the stock types are correctly assigned.
  Use transaction code MM03 to view the material master and verify the stock type settings.
  
  
  
  Review Transaction Input:
  
  If the error occurs during a specific transaction, review the input data to ensure that the stock type is correctly specified.
  Ensure that the stock type is valid for the operation being performed.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for guidance on valid stock types and their usage in APO.
  
  
  
  Check for System Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as some issues may be resolved in newer versions.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Stock Types in SAP: Stock types in SAP can include unrestricted stock, quality inspection stock, blocked stock, etc. Each type has specific characteristics and uses.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MMBE (Stock Overview) and MD04 (Stock/Requirements List) to analyze stock levels and types.
  APO Planning Books: If you are using planning books in APO, ensure that the stock types are correctly defined in the planning book settings.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.