How To Fix KZ403 - System error: Error in function module 'K_GET_HIERARCHY'

KZ403 - Overview

• Message type: E = Error

• Message class: KZ - Cost Object Repetitive Mfg / Process Mfg

• Message number: 403

• Message text: System error: Error in function module 'K_GET_HIERARCHY'

What causes this issue?

A system error occurred.

How to fix this error?

Please inform your system administrator.

Error message extract from SAP system. Copyright SAP SE.

KZ403 - Details

• The SAP error message KZ403, which states "System error: Error in function module 'K_GET_HIERARCHY'," typically indicates an issue related to the hierarchy retrieval process in the SAP system, particularly in the context of controlling (CO) or profitability analysis (CO-PA) modules. This error can arise due to various reasons, including data inconsistencies, configuration issues, or problems with the underlying function module.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies in the master data or transaction data that the function module is trying to access.
  
  Configuration Issues: Incorrect configuration settings in the controlling area, profit center, or other related settings can lead to this error.
  Authorization Issues: Lack of proper authorizations for the user trying to execute the function can also trigger this error.
  System Bugs: There may be bugs or issues in the specific version of SAP you are using that affect the function module.
  Transport Issues: If recent changes were transported to the system, they might