How To Fix CN146 - Activity & in network & could not be found

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 146

• Message text: Activity & in network & could not be found

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CN146 - Activity & in network & could not be found ?

  The SAP error message CN146 indicates that a specific activity in a network could not be found. This error typically occurs in the context of project management and network planning within SAP, particularly when dealing with networks in the Project System (PS) module.
  Cause:
  The error can arise due to several reasons:
  
  Incorrect Activity Number: The activity number you are trying to reference may not exist in the specified network.
  Network Deletion: The network or activity may have been deleted or not yet created.
  Authorization Issues: You may not have the necessary authorizations to view or modify the activity in the network.
  Data Inconsistency: There may be inconsistencies in the database or issues with the data integrity of the project or network.
  Incorrect Network Assignment: The activity might be assigned to a different network than the one you are currently working with.
  
  Solution:
  To resolve the CN146 error, you can take the following steps:
  
  
  Verify Activity Number: Check if the activity number you are trying to access is correct and exists in the network. You can do this by navigating to the network in question and reviewing its activities.
  
  
  Check Network Status: Ensure that the network is active and has not been deleted. You can do this by checking the network's status in the Project System.
  
  
  Review Authorizations: Make sure you have the necessary authorizations to access the network and its activities. If you suspect authorization issues, contact your SAP security administrator.
  
  
  Data Consistency Check: Run a consistency check on the project or network to identify any data integrity issues. You can use transaction codes like CJ20N (Project Builder) or CJ02 (Change Project) to review the project structure.
  
  
  Reassign Activities: If the activity is assigned to a different network, you may need to reassign it to the correct network or create a new activity in the appropriate network.
  
  
  Consult Documentation: Review SAP documentation or help resources for additional guidance on handling network and activity issues.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  CJ20N: Project Builder
  CJ02: Change Project
  CN41: Network Overview
  CN22: Change Network
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP support team for further assistance.