How To Fix UD631 - Internal error when calling SDU_MARK_TREE_FETCH (Incorrect parameter)

SAP Error Message - Details

• Message type: E = Error

• Message class: UD - EDM - Enterprise Data Model

• Message number: 631

• Message text: Internal error when calling SDU_MARK_TREE_FETCH (Incorrect parameter)

What causes this issue?

The function module SDU_MARK_TREE_FETCH triggered one of the
following exceptions:
- table OBJECT_LIST is empty (no objects were copied to the
module)
- nothing was selected ( the copied objects do not exist )
- incorrect type specified in OBJECT_LIST ( one of the copied
objects has the incorrect type )

System Response

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

How to fix this error?

Contact the person responsible for the program.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UD631 - Internal error when calling SDU_MARK_TREE_FETCH (Incorrect parameter) ?

  The SAP error message UD631, which indicates an "Internal error when calling SDU_MARK_TREE_FETCH (Incorrect parameter)," typically arises in the context of SAP's data processing or reporting functionalities. This error can occur due to various reasons, including incorrect parameters being passed to a function module, issues with the data model, or inconsistencies in the underlying data.
  Possible Causes:
  
  Incorrect Parameters: The function module SDU_MARK_TREE_FETCH may be receiving parameters that are not valid or expected, leading to an internal error.
  Data Inconsistencies: There may be inconsistencies or corruption in the data being processed, which can trigger this error.
  Custom Code Issues: If there are custom developments or enhancements that interact with the standard SAP function, they may be causing the error.
  System Bugs: There could be a bug in the SAP system or a specific version that leads to this error under certain conditions.
  
  Solutions:
  
  Check Parameters: Review the parameters being passed to the SDU_MARK_TREE_FETCH function. Ensure that they are valid and conform to the expected data types and formats.
  Data Validation: Validate the data being processed to ensure there are no inconsistencies or corruption. This may involve checking the relevant tables and records.
  Debugging: If you have access to the ABAP debugger, you can set breakpoints in the function module to analyze the flow and identify where the incorrect parameter is being introduced.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that address this specific error. There may be known issues and fixes provided by SAP.
  Consult Documentation: Review the documentation for the function module to understand its expected input and output parameters.
  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 transaction codes, steps to reproduce, and any relevant logs.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may be using specific transaction codes related to sales and distribution (SD) or reporting.
  System Logs: Check the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context.
  Version Information: Ensure that your SAP system is up to date with the latest support packages and patches, as this can resolve many known issues.
  
  By following these steps, you should be able to diagnose and potentially resolve the UD631 error in your SAP environment.