How To Fix WN204 - Internal error

SAP Error Message - Details

• Message type: E = Error

• Message class: WN - Plant master data maintenance (integrated)

• Message number: 204

• Message text: Internal error

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message WN204 - Internal error ?

  The SAP error message WN204 "Internal error" typically indicates that there is an unexpected issue occurring within the SAP system. This error can arise from various underlying causes, including:
  Causes:
  
  System Configuration Issues: Incorrect or incomplete configuration settings in the SAP system can lead to internal errors.
  Data Inconsistencies: Corrupted or inconsistent data in the database can trigger internal errors during processing.
  Program Errors: Bugs or issues in custom ABAP programs or standard SAP programs can result in internal errors.
  Memory Issues: Insufficient memory or resource allocation can cause the system to fail when trying to process certain requests.
  Transport Issues: Problems with transport requests, such as missing objects or dependencies, can lead to internal errors.
  
  Solutions:
  
  Check System Logs: Review the system logs (transaction codes SM21, ST22, and SLG1) for more detailed error messages that can provide insights into the root cause of the issue.
  Analyze Dump: If the error is related to an ABAP program, check for short dumps in transaction ST22. This can help identify the specific line of code or function that caused the error.
  Data Consistency Checks: Run consistency checks on the relevant data to ensure there are no corrupt entries. This can be done using transaction codes like SE11 or SE14.
  Review Configuration: Verify the configuration settings related to the process that triggered the error. Ensure that all necessary settings are correctly configured.
  Update SAP System: Ensure that your SAP system is up to date with the latest support packages and patches, as these may contain fixes for known issues.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including any logs or dumps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM21 (System Log), ST22 (Dump Analysis), SLG1 (Application Log), and SE80 (Object Navigator) for troubleshooting.
  SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address the specific error or provide guidance on similar issues.
  Documentation: Review SAP documentation and community forums for additional insights and solutions shared by other users who may have encountered the same error.
  
  By following these steps, you should be able to diagnose and resolve the WN204 internal error in your SAP system.