How To Fix WK316 - Error when calling list (list controls)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 316

• Message text: Error when calling list (list controls)

Self-Explanatory Message

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• What is the cause and solution for SAP error message WK316 - Error when calling list (list controls) ?

  SAP Error WK316: Error when calling list (list controls)
  
  Cause:
  The error message WK316 typically occurs in SAP Workflow when there is a problem with the list control used in the workflow container or during the processing of a workflow task. This can happen due to:
  
  Incorrect or inconsistent data in the workflow container related to list controls.
  The list control object is not properly initialized or is corrupted.
  The list control is being called or accessed in an invalid context or with invalid parameters.
  Missing or incorrect configuration in the workflow template or task regarding list controls.
  Issues with the underlying SAP GUI or frontend controls that handle list display.
  
  
  Explanation:
  In SAP Workflow, list controls are used to display lists of items (e.g., tasks, objects) in the workflow container or during task processing. The error WK316 indicates that when the system tries to call or display such a list control, it encounters an issue that prevents it from rendering or processing the list properly.
  
  Solution:
  To resolve the WK316 error, consider the following steps:
  
  
  Check Workflow Container Data:
  
  Verify that the workflow container elements related to the list control are correctly filled and consistent.
  Ensure that the data types and structures match the expected list control format.
  
  
  
  Review Workflow Template and Task Configuration:
  
  Check the workflow template for correct usage of list controls.
  Ensure that the task or step calling the list control is properly configured.
  Validate that the list control is correctly defined in the task container.
  
  
  
  Debug the Workflow:
  
  Use transaction SWI1 or SWI2_DIAG to analyze the workflow log and identify where the error occurs.
  Debug the workflow step or method that calls the list control to find any inconsistencies or errors.
  
  
  
  Check SAP GUI and Frontend:
  
  Sometimes, frontend issues or SAP GUI patches can cause display problems.
  Ensure that the SAP GUI is up to date.
  Try accessing the workflow on a different frontend or system to rule out GUI issues.
  
  
  
  Transport and System Consistency:
  
  If the workflow or list control was recently transported, verify that all related objects and configurations were transported correctly.
  Check for inconsistencies between development, quality, and production systems.
  
  
  
  SAP Notes and Support:
  
  Search for SAP Notes related to WK316 or list control errors in workflows.
  Apply any relevant SAP patches or corrections.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SWI1 - Workflow Log
  SWI2_DIAG - Workflow Diagnosis
  SWDD - Workflow Builder (to check workflow templates)
  SE80 or SE24 - To check classes or methods related to list controls
  
  
  
  SAP Notes:
  
  Check SAP Support Portal for notes mentioning WK316 or list control errors.
  Example note search keywords: "WK316", "list control error", "workflow list control"
  
  
  
  Documentation:
  
  SAP Help Portal on Workflow and List Controls
  SAP Community forums for similar issues and solutions
  
  
  
  
  If the problem persists after these checks, consider raising a support ticket with SAP, providing detailed workflow logs and system information.