How To Fix KN090 - Internal error occurred. RETURN code: $

SAP Error Message - Details

• Message type: E = Error

• Message class: KN - Reporting for Costing

• Message number: 090

• Message text: Internal error occurred. RETURN code: $

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KN090 - Internal error occurred. RETURN code: $ ?

  The SAP error message KN090, which states "Internal error occurred. RETURN code: $?", typically indicates that there is an unexpected issue within the SAP system related to master data processing, particularly in the area of customer master data (KNA1, KNB1, etc.). This error can arise from various underlying causes, including data inconsistencies, configuration issues, or problems with the underlying database.
  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.
  Database Issues: Problems with the database, such as locks or corruption, can trigger this error.
  Program Errors: Bugs or issues in the ABAP code or custom programs that interact with customer master data.
  Authorization Issues: Lack of proper authorizations for the user trying to access or modify the data.
  
  Solutions:
  
  
  Check for Data Inconsistencies:
  
  Use transaction codes like SE11 to check the database tables for inconsistencies.
  Run reports or programs that check for data integrity in the customer master data.
  
  
  
  Review Configuration:
  
  Verify the configuration settings related to customer master data in the SPRO transaction.
  Ensure that all necessary settings are correctly configured.
  
  
  
  Database Checks:
  
  Check the database for locks or issues. You may need to consult with your database administrator.
  Run database consistency checks if available.
  
  
  
  Debugging:
  
  If you have access to the ABAP debugger, you can try to reproduce the error and analyze the code to identify the root cause.
  Look for any custom code that may be causing the issue.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to perform the action that triggered the error.
  Use transaction SU53 to check for authorization failures.
  
  
  
  SAP Notes:
  
  Search the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance. Provide them with the error message details and any relevant logs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and SU53 (Authorization Check).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Documentation: Review SAP documentation related to customer master data management for best practices and troubleshooting tips.
  
  By following these steps, you should be able to diagnose and potentially resolve the KN090 error in your SAP system.