How To Fix WK314 - Error when calling structure (Tree Control)

WK314 - Overview

• Message type: E = Error

• Message class: WK - BPT: Messages integr. inbox

• Message number: 314

• Message text: Error when calling structure (Tree Control)

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.

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• What is the cause and solution for SAP error message WK314 - Error when calling structure (Tree Control) ?

  SAP Error WK314: Error when calling structure (Tree Control)
  
  
  Cause:
  The error message WK314 typically occurs in SAP Workflow when there is an issue related to the Tree Control structure used in the workflow container or task processing. Specifically, it happens when the system tries to access or call a structure (often a container element or a workflow object) that is either:
  
  Not properly defined or initialized,
  Missing or deleted,
  Has an incorrect data type or structure mismatch,
  Or when the workflow container elements are inconsistent or corrupted.
  
  In many cases, this error arises during the display or processing of workflow tasks that involve hierarchical data structures (tree controls), such as organizational trees, task hierarchies, or container elements that are expected to be structured data but are not correctly set.
  
  Common Scenarios:
  
  Workflow container elements expected to be structures or tables are empty or not filled.
  Custom workflow tasks or methods that manipulate container elements incorrectly.
  Issues in the workflow template