How To Fix CN424 - Enter only negative values between 100-0 for finish of interval

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 424

• Message text: Enter only negative values between 100-0 for finish of interval

What causes this issue?

The offset to the milestone date may not be <ZH>after</>
the activity finish, ie. it may not have a positive value.

System Response

INCLUDE 'NA_ALLG_NOFUNKTION' OBJECT DOKU ID TX

How to fix this error?

Enter a negative value for the time interval.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN424 - Enter only negative values between 100-0 for finish of interval ?

  The SAP error message CN424 ("Enter only negative values between 100-0 for finish of interval") typically occurs in the context of project management or controlling modules, particularly when dealing with cost planning or budgeting in SAP. This error indicates that the system expects a specific range of values for a certain field, and the input provided does not meet the criteria.
  Cause:
  
  Incorrect Value Entry: The error suggests that the value entered for the finish of the interval is not within the acceptable range. The system expects negative values between 100 and 0, which may seem counterintuitive.
  Field Configuration: The field may be configured to accept only specific types of values, and the input does not conform to these settings.
  Data Type Mismatch: The field may be expecting a numeric value, and a non-numeric value or an incorrectly formatted number may have been entered.
  
  Solution:
  
  Check Input Values: Ensure that the value you are entering is a negative number and falls within the specified range (between 100 and 0). For example, valid entries could be -100, -50, -1, etc.
  Review Field Requirements: Consult the documentation or field help to understand the specific requirements for the field you are working with. This may provide insights into acceptable values.
  Data Validation: Implement data validation checks before submitting the values to ensure they meet the criteria.
  Consult with SAP Support: If you are unsure about the correct values or if the error persists despite correct input, it may be helpful to consult with your SAP support team or refer to SAP Notes for any known issues or patches related to this error.
  
  Related Information:
  
  SAP Documentation: Review the relevant SAP documentation for the module you are working in (e.g., Project System, Controlling) to understand the context of the error.
  Transaction Codes: Familiarize yourself with the transaction codes related to the area where the error occurs, as this can help in troubleshooting.
  User Forums and Communities: Engage with SAP user communities or forums where similar issues may have been discussed, providing additional insights or solutions.
  
  By following these steps, you should be able to resolve the CN424 error and successfully enter the required values in SAP.