How To Fix CN556 - Components already withdrawn for network &

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 556

• Message text: Components already withdrawn for network &

What causes this issue?

Components have already been issued for network &V1&. In this situation,
you cannot reconfigure the standard network.

System Response

INCLUDE 'NA_ALLG_NOFUNKTION' OBJECT DOKU ID TX

How to fix this error?

You can execute the desired function only once you have reversed the
corresponding business transaction.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN556 - Components already withdrawn for network & ?

  The SAP error message CN556 ("Components already withdrawn for network &") typically occurs in the context of project management and network activities within SAP's Project System (PS) module. This error indicates that there are components (materials or resources) that have already been withdrawn from inventory for a specific network activity, and the system is preventing further withdrawals for that activity.
  Cause:
  
  Multiple Withdrawals: The components have already been withdrawn for the specified network activity, and the system does not allow additional withdrawals for the same activity.
  Incorrect Configuration: There may be configuration settings in the project or network that restrict further withdrawals.
  Status of the Network: The network activity may be in a status that does not allow further withdrawals (e.g., completed or closed).
  Data Entry Errors: There may be errors in the data entry process, such as incorrect network or activity numbers.
  
  Solution:
  
  Check Withdrawals: Verify the withdrawal history for the components in question. You can do this by checking the material documents or the network activity to see if the components have already been withdrawn.
  Review Network Status: Ensure that the network activity is in a status that allows for further withdrawals. If the activity is completed, you may need to change its status or create a new activity for additional withdrawals.
  Adjust Configuration: If the issue is related to configuration settings, consult with your SAP administrator or project manager to review and adjust the settings as necessary.
  Correct Data Entry: Double-check the network and activity numbers you are using to ensure they are correct. If there was a mistake, correct it and try the withdrawal again.
  Consult Documentation: Refer to SAP documentation or help resources for additional guidance on managing network activities and component withdrawals.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CN22 (Change Network) or CNR1 (Create Network) to manage network activities.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles: Ensure that you have the appropriate permissions to perform withdrawals for the network activities.
  Training: If you are unfamiliar with the Project System module, consider seeking training or resources to better understand how to manage components and network activities.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.