How To Fix KF108 - System error: unknown error number

SAP Error Message - Details

• Message type: E = Error

• Message class: KF -

• Message number: 108

• Message text: System error: unknown error number

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 KF108 - System error: unknown error number ?

  The SAP error message KF108, which states "System error: unknown error number," is a generic error message that can occur in various contexts within the SAP system. This error does not provide specific details about the underlying issue, making it somewhat challenging to diagnose. However, here are some common causes, potential solutions, and related information that may help you address this error:
  Possible Causes:
  
  System Configuration Issues: There may be misconfigurations in the system settings or parameters that lead to unexpected behavior.
  Data Inconsistencies: Inconsistent or corrupted data in the database can trigger this error.
  Authorization Issues: Lack of proper authorizations for the user trying to perform the action may lead to this error.
  Program Errors: Bugs or issues in custom ABAP programs or enhancements can cause unexpected errors.
  Transport Issues: Problems with transport requests or missing objects in the system can lead to this error.
  Database Issues: Problems with the underlying database, such as connectivity issues or corruption, can also trigger this error.
  
  Potential Solutions:
  
  Check System Logs: Review the system logs (transaction codes SM21 and ST22) for more detailed error messages that may provide insight into the cause of the error.
  Analyze Short Dumps: Use transaction ST22 to check for any short dumps that occurred around the same time as the error. This can provide more context.
  Review Authorizations: Ensure that the user has the necessary authorizations to perform the action that triggered the error.
  Data Consistency Checks: Run consistency checks on the relevant data to identify and correct any inconsistencies.
  Debugging: If you have access to the ABAP code, consider debugging the program to identify where the error occurs.
  Check for Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM21 (System Log), ST22 (Dump Analysis), and SU53 (Authorization Check).
  SAP Notes: Regularly check for SAP Notes related to your version of SAP, as they may contain fixes or workarounds for known issues.
  System Updates: Ensure that your SAP system is up to date with the latest patches and updates, as these can resolve known bugs.
  
  Since KF108 is a generic error, the specific resolution may vary based on the context in which it occurs. Therefore, thorough investigation and analysis are essential to pinpoint the exact cause and implement the appropriate solution.