How To Fix KN345 - The node could not be expanded further because of an error

SAP Error Message - Details

• Message type: E = Error

• Message class: KN - Reporting for Costing

• Message number: 345

• Message text: The node could not be expanded further because of an error

What causes this issue?

An error occurred while reading the next hierachy level(s).
For the cause of error code &v1&, see the following list:
1: The reference object for costing is incorrect
2: No line items were found
3: The cause cannot be determined more precisely
4: Error &v2& &v3& occurred

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

The hierarchy cannot be expanded further at this point.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KN345 - The node could not be expanded further because of an error ?

  The SAP error message KN345, which states "The node could not be expanded further because of an error," typically occurs in the context of the SAP system when trying to access or expand a node in a hierarchical structure, such as a customer master record or a related data structure. This error can arise due to various reasons, including data inconsistencies, authorization issues, or system configuration problems.
  Causes:
  
  Data Inconsistencies: There may be missing or corrupted data in the database that prevents the system from retrieving the necessary information to expand the node.
  Authorization Issues: The user may not have the necessary permissions to access certain data or nodes within the hierarchy.
  Configuration Issues: There may be configuration problems in the system that affect how data is structured or displayed.
  Technical Errors: There could be underlying technical issues, such as problems with the database or application server.
  
  Solutions:
  
  Check Data Integrity: Verify the integrity of the data associated with the node. This may involve checking for missing entries or inconsistencies in the database.
  Review Authorizations: Ensure that the user has the appropriate authorizations to access the data. This can be done by checking the user roles and permissions in the SAP system.
  Debugging: If you have access to technical resources, consider debugging the transaction to identify the exact point of failure. This may require the help of an ABAP developer.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to inspect the relevant tables and data.
  Check System Logs: Review the system logs (transaction SM21) for any related error messages that could provide more context about the issue.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches or updates.
  Contact SAP Support: If the issue persists and cannot be resolved internally, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SE80 (Object Navigator) or ST22 (Dump Analysis).
  User Roles: Understand the user roles and profiles assigned to the user experiencing the error to ensure they have the necessary access.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  By following these steps, you should be able to diagnose and potentially resolve the KN345 error in your SAP system.