How To Fix KN026 - Internal error occurred, code &

SAP Error Message - Details

• Message type: E = Error

• Message class: KN - Reporting for Costing

• Message number: 026

• Message text: Internal error occurred, code &

What causes this issue?

An internal error occurred which means that you cannot process the data
further.

How to fix this error?

Please inform your system administrator or contact the SAP hotline with
details of the message.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KN026 - Internal error occurred, code & ?

  The SAP error message KN026, which states "Internal error occurred, code &," typically indicates that there is an internal issue within the SAP system related to the customer master data. This error can arise from various underlying causes, and resolving it may require different approaches depending on the specific situation.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies or corruption in the customer master data.
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to internal errors.
  System Bugs: There may be bugs in the SAP version you are using that trigger this error.
  Authorization Issues: Lack of proper authorizations for accessing or modifying customer data can lead to errors.
  Database Issues: Problems with the database, such as locks or corruption, can also cause internal errors.
  
  Solutions:
  
  
  Check for Data Inconsistencies:
  
  Use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to check the customer master data for inconsistencies.
  Run the report RFKK_MAINTAIN_CUSTOMER to check and correct any inconsistencies in customer data.
  
  
  
  Review Configuration Settings:
  
  Ensure that the configuration settings for customer master data are correct. This can be done through transaction SPRO (SAP Project Reference Object).
  Check if any recent changes were made to the configuration that could have triggered the error.
  
  
  
  Check for System Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates. Sometimes, internal errors are resolved in newer versions or patches.
  
  
  
  Authorization Checks:
  
  Verify that the user encountering the error has the necessary authorizations to access and modify customer master data.
  
  
  
  Database Checks:
  
  Check the database for locks or corruption. You may need to work with your database administrator to resolve any underlying database issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support. Provide them with the error code and any relevant logs or screenshots to help diagnose the issue.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as XD01 (Create Customer), XD02 (Change Customer), and XD03 (Display Customer) to manage customer data.
  SAP Notes: Search for SAP Notes related to the KN026 error in the SAP Support Portal. There may be specific notes addressing this error with detailed solutions.
  System Logs: Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the internal error.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the KN026 error in your SAP system.