How To Fix CN830 - Enter either a fixed or percentage time interval

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 830

• Message text: Enter either a fixed or percentage time interval

What causes this issue?

You have maintained a fixed and a percentual time interval for the
relationship.
This is not allowed.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

Enter a fixed <ZH>or</> a percentual 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 CN830 - Enter either a fixed or percentage time interval ?

  The SAP error message CN830 ("Enter either a fixed or percentage time interval") typically occurs in the context of project management or controlling modules, particularly when dealing with scheduling or planning activities in SAP. This error indicates that the system expects you to provide a time interval for a specific operation, but it has not been provided in the required format.
  Cause:
  The error is usually triggered when:
  
  A user attempts to enter a time interval for a task or activity but fails to specify it correctly.
  The input field requires either a fixed time interval (e.g., a specific number of days) or a percentage of time, but neither has been provided.
  There may be a configuration issue in the project settings that does not allow for the expected input.
  
  Solution:
  To resolve the CN830 error, you can take the following steps:
  
  
  Check Input Fields: Ensure that you have entered either a fixed time interval or a percentage time interval in the appropriate fields. 
  
  For a fixed time interval, enter a specific number (e.g., "5 days").
  For a percentage time interval, enter a percentage value (e.g., "50%").
  
  
  
  Review Configuration: If you are an administrator or have access to configuration settings, check the project settings to ensure that the fields for time intervals are correctly configured to accept the required inputs.
  
  
  Consult Documentation: Refer to SAP documentation or help files related to the specific module you are working in (e.g., Project System, Controlling) for more detailed guidance on the expected input formats.
  
  
  User Training: If this error is common among users, consider providing training or resources to help them understand the required input formats better.
  
  
  Contact Support: If the issue persists after checking inputs and configurations, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to project management, such as CJ20N (Project Builder) or CJ02 (Change Project).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to resolve the CN830 error and continue with your project management tasks in SAP.