How To Fix CO137 - Quantity must be negative for item category &

SAP Error Message - Details

• Message type: E = Error

• Message class: CO - PPC order processing messages

• Message number: 137

• Message text: Quantity must be negative for item category &

What causes this issue?

You have entered a positive quantity for a component. The item category
of the component only allows negative quantities to be entered.

How to fix this error?

There are two options:
Enter a negative quantity.
Change the +/- sign of the item category in Customizing.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CO137 - Quantity must be negative for item category & ?

  The SAP error message CO137 indicates that there is an issue with the quantity specified for a particular item category in a production order or a related document. Specifically, the error states that the quantity must be negative for the specified item category. This typically occurs in scenarios where the item category is expected to represent a consumption or a withdrawal of materials, such as in the case of a backflush or a consumption posting.
  Cause:
  
  Item Category Configuration: The item category in question is configured to require a negative quantity. This is common for item categories that are used for consumption or backflush processes.
  Incorrect Quantity Entry: The user may have mistakenly entered a positive quantity instead of a negative one when trying to post a transaction related to that item category.
  Business Process Misalignment: The business process may not align with the expected behavior of the item category, leading to incorrect entries.
  
  Solution:
  
  Check Item Category Configuration: Review the configuration of the item category in the SAP system. Ensure that it is set up correctly to require negative quantities for the intended business process.
  Correct Quantity Entry: If the quantity was entered incorrectly, simply change the quantity to a negative value as required by the item category.
  Review Business Processes: Ensure that the business processes involving this item category are well understood by users. Provide training or documentation if necessary to prevent future errors.
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the item category and its expected behavior.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like CO01 (Create Production Order), CO02 (Change Production Order), or CO03 (Display Production Order) to review or modify the production order.
  SAP Notes: Check for any relevant SAP Notes that may address this error or provide additional guidance on item category configurations.
  User Exits or BAdIs: If the behavior of the item category needs to be customized, consider using user exits or Business Add-Ins (BAdIs) to implement specific logic.
  
  By addressing the configuration and ensuring that users are aware of the requirements for entering quantities, you can resolve the CO137 error and prevent it from occurring in the future.