How To Fix C2518 - Network have different parameter effectivity

SAP Error Message - Details

• Message type: E = Error

• Message class: C2 - Other messages production orders

• Message number: 518

• Message text: Network have different parameter effectivity

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message C2518 - Network have different parameter effectivity ?

  The SAP error message C2518, which states "Network have different parameter effectivity," typically occurs in the context of project management or production planning when there are inconsistencies in the effectivity parameters of a network or its activities. This error is often related to the use of different versions or statuses of the same object within a project.
  Cause:
  
  
  Inconsistent Effectivity Parameters: The error arises when a network or its activities have different effectivity parameters (like validity dates, statuses, or versions) that do not match. This can happen if:
  
  Activities within the same network are set to different validity periods.
  There are changes made to the effectivity parameters of some activities without updating others.
  The network is referencing different versions of the same object.
  
  
  
  Project Structure Issues: If the project structure is not properly aligned, it can lead to discrepancies in effectivity parameters.
  
  
  Solution:
  
  
  Check Effectivity Parameters: Review the effectivity parameters of all activities within the network. Ensure that they are consistent and aligned. This includes checking:
  
  Validity dates
  Statuses
  Versions
  
  
  
  Update Inconsistent Activities: If you find any activities with differing parameters, update them to ensure they match. This may involve:
  
  Changing the validity dates to be the same across all activities.
  Ensuring that all activities are set to the same status.
  
  
  
  Recreate the Network: If the issue persists and cannot be resolved by updating parameters, consider recreating the network. This can help eliminate any underlying inconsistencies.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on managing effectivity parameters in your version of SAP.
  
  
  Seek Help from SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They can provide more detailed insights based on your specific configuration and version.
  
  
  Related Information:
  
  Effectivity in SAP: Effectivity parameters are crucial in project management and production planning as they determine when certain activities or objects are valid and can be executed.
  Network Planning: Understanding how networks are structured in SAP and how activities are interrelated can help prevent such errors in the future.
  SAP Notes and Community: Check SAP Notes for any known issues or patches related to this error. The SAP Community forums can also be a valuable resource for troubleshooting and solutions shared by other users.
  
  By following these steps, you should be able to identify and resolve the cause of the C2518 error in SAP.