How To Fix WB863 - Errors occurred when generating the tree control

WB863 - Overview

• Message type: E = Error

• Message class: WB - Messages for assortment list

• Message number: 863

• Message text: Errors occurred when generating the tree control

What causes this issue?

Errors occurred when generating the tree control.

System Response

The program is canceled.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WB863 - Errors occurred when generating the tree control ?

  The SAP error message WB863, which states "Errors occurred when generating the tree control," typically occurs in the context of SAP's Web Application Server or when working with certain SAP GUI transactions that involve hierarchical data structures, such as the Work Breakdown Structure (WBS) or other tree-like data representations.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies or errors in the underlying data that the tree control is trying to display. This could be due to missing or corrupted entries in the database.
  Authorization Issues: The user may not have the necessary authorizations to view certain nodes or data in the tree structure.
  
  Configuration Issues: There may be issues with the configuration of the tree control itself, such as incorrect settings in the relevant transaction or program.
  System Performance: If the system is under heavy load or if there are performance issues, it may lead to timeouts or failures in rendering the tree control.
  Software Bugs: There