How To Fix CN498 - Change not accepted (execution factor in network too large)

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 498

• Message text: Change not accepted (execution factor in network too large)

What causes this issue?

Due to the change in quantity, the execution factor in the network is
too large.
The maximum execution factor is 999.

System Response

The system cannot accept the change in quantity.

How to fix this error?

Check the quantity structure in the network.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN498 - Change not accepted (execution factor in network too large) ?

  The SAP error message CN498 ("Change not accepted (execution factor in network too large)") typically occurs in the context of project management and network scheduling within SAP's Project System (PS) module. This error indicates that the execution factor for a network activity exceeds the allowable limits set in the system.
  Cause:
  The error is usually caused by one of the following factors:
  
  Execution Factor Exceeds Limits: The execution factor (which can be a percentage of completion or a similar metric) for a network activity is set too high, surpassing the maximum allowable value defined in the system.
  Incorrect Data Entry: There may be incorrect or unrealistic data entered for the activity, such as an overly high duration or resource allocation.
  Configuration Settings: The system configuration may have limits set that are too restrictive for the current project requirements.
  
  Solution:
  To resolve the CN498 error, you can take the following steps:
  
  
  Check Execution Factor: Review the execution factor for the network activity in question. Ensure that it is within the acceptable range. If it is too high, adjust it to a more realistic value.
  
  
  Review Activity Data: Examine the data entered for the network activity, including duration, resources, and dependencies. Make sure all values are realistic and within the expected limits.
  
  
  Adjust Configuration Settings: If necessary, consult with your SAP administrator or configuration team to review the settings related to execution factors in the system. They may need to adjust the limits if they are too restrictive for your project needs.
  
  
  Recalculate the Network: After making adjustments, recalculate the network to ensure that all changes are reflected and that the error does not persist.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on execution factors and network planning to ensure compliance with best practices.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling execution factors in network activities.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CN22 (Change Network) or CN41 (Network Overview) to help you navigate and troubleshoot network-related issues.
  User Roles: Ensure that you have the appropriate permissions to make changes to network activities and configurations in SAP.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or your internal IT team for further assistance.