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

UD631 - Overview

• 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