How To Fix RU033 - Confirmed activity must not be smaller than 0 (check entry)

SAP Error Message - Details

• Message type: E = Error

• Message class: RU - Messages for order completion confirmation

• Message number: 033

• Message text: Confirmed activity must not be smaller than 0 (check entry)

What causes this issue?

You have tried to confirm a negative activity or to cancel a
confirmation.
This results in a negative total confirmed quantity for this activity.

How to fix this error?

Check the total confirmed activity.
Enter a different quantity for the activity or cancel other
confirmations.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RU033 - Confirmed activity must not be smaller than 0 (check entry) ?

  The SAP error message RU033 ("Confirmed activity must not be smaller than 0 (check entry)") typically occurs in the context of project management or production planning when you are trying to confirm an activity or operation with a negative value. This can happen in various scenarios, such as when entering confirmations for work orders, production orders, or project activities.
  Cause:
  
  
  Negative Confirmation Value: The most common cause of this error is that the system is trying to process a confirmation with a negative quantity or value. This can happen if:
  
  An incorrect value was entered manually.
  There is a calculation error in the system.
  Data was imported or uploaded incorrectly.
  
  
  
  Configuration Issues: Sometimes, the configuration settings in the system may not allow for negative confirmations, leading to this error.
  
  
  Data Integrity Issues: If there are inconsistencies in the data, such as missing or incorrect entries in related tables, this can also trigger the error.
  
  
  Solution:
  
  
  Check Input Values: Review the confirmation entry you are trying to make. Ensure that all quantities and values are positive and correctly entered. 
  
  
  Review Configuration: If you have access to the configuration settings, check if there are any settings that restrict negative confirmations. Adjust them if necessary, but be cautious as this may affect other processes.
  
  
  Data Validation: Ensure that all related data (like work orders, project definitions, etc.) is correctly set up and does not contain any inconsistencies that could lead to this error.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the transaction or process you are working with.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance.
  
  
  Related Information:
  
  Transaction Codes: This error may occur in various transaction codes related to confirmations, such as CO11N (for production order confirmations) or CATS (Cross-Application Time Sheet).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  User Roles and Permissions: Ensure that the user has the necessary permissions to perform confirmations, as sometimes restrictions can lead to unexpected errors.
  
  By following these steps, you should be able to identify the cause of the RU033 error and implement a solution to resolve it.