How To Fix FML_CUST034 - Internal error in &1 in position &2 with RC &3

SAP Error Message - Details

• Message type: E = Error

• Message class: FML_CUST - Message Class for ML Customizuing

• Message number: 034

• Message text: Internal error in &1 in position &2 with RC &3

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Please inform your system administrator.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FML_CUST034 - Internal error in &1 in position &2 with RC &3 ?

  The SAP error message FML_CUST034 indicates an internal error that occurred in a specific function module or program, identified by the placeholders &1, &2, and &3. This error typically arises during financial transactions or processes related to the Financial Management (FM) module in SAP.
  Cause:
  The error can be caused by various factors, including:
  
  Data Inconsistencies: There may be inconsistencies or corruption in the data being processed.
  Configuration Issues: Incorrect configuration settings in the Financial Management module can lead to unexpected behavior.
  Custom Code: If there are custom enhancements or modifications in the system, they might be causing the internal error.
  System Bugs: There could be bugs in the SAP system or specific patches that have not been applied.
  
  Solution:
  To resolve the FML_CUST034 error, you can follow these steps:
  
  
  Check SAP Notes: Look for relevant SAP Notes in the SAP Support Portal. Search for the error message or the function module mentioned in the error to see if there are any known issues or patches available.
  
  
  Analyze the Error Details: Review the details provided in the error message, especially the values of &1, &2, and &3. This information can help identify the specific function module and the context in which the error occurred.
  
  
  Debugging: If you have access to debugging tools, you can analyze the program or function module to identify the root cause of the error. This may require the assistance of a developer or SAP Basis consultant.
  
  
  Data Validation: Check the data being processed at the time of the error. Ensure that all required fields are populated correctly and that there are no inconsistencies in the data.
  
  
  Configuration Review: Review the configuration settings in the Financial Management module to ensure they are set up correctly.
  
  
  Consult SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with the error details and any relevant context to help them diagnose the issue.
  
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may want to check transaction codes related to Financial Management, such as FM area configuration (transaction code: FMX1), or transaction codes for processing financial documents.
  System Logs: Check the system logs (transaction code: SLG1) for any additional error messages or warnings that may provide more context about the issue.
  User Exits and BAdIs: If there are any user exits or Business Add-Ins (BAdIs) implemented in the FM module, review them to ensure they are not causing the error.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the FML_CUST034 error in your SAP system.