How To Fix WD372 - Workflow system attributes are not allowed to be edited

SAP Error Message - Details

• Message type: E = Error

• Message class: WD - Workflow definition

• Message number: 372

• Message text: Workflow system attributes are not allowed to be edited

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WD372 - Workflow system attributes are not allowed to be edited ?

  Certainly! Here's a detailed explanation regarding the SAP error message:
  
  SAP Error Message:
  WD372 - Workflow system attributes are not allowed to be edited
  
  Cause:
  This error occurs when there is an attempt to modify system attributes of a workflow container in SAP Web Dynpro or SAP Business Workflow. System attributes are predefined, read-only attributes that the workflow runtime environment manages internally. They are not meant to be changed by the developer or user during workflow execution.
  Examples of system attributes include:
  
  WI_ID (Workflow Instance ID)
  WI_TYPE (Workflow Type)
  WI_STATUS (Workflow Status)
  WI_CREATED_BY (User who created the workflow instance)
  Other system-managed metadata fields
  
  Trying to assign or change values to these attributes in the workflow container or in the Web Dynpro context leads to this error.
  
  When does it typically happen?
  
  When a developer tries to map or assign values to system attributes in the workflow container during workflow design.
  When a Web Dynpro application tries to update system attributes of a workflow container.
  When custom code or a method tries to modify these read-only attributes.
  
  
  Solution:
  
  
  Do not modify system attributes:
  
  Avoid any assignment or modification of system attributes in your workflow container or Web Dynpro context. These attributes are managed by the SAP workflow engine and should be treated as read-only.
  
  
  Check container mappings:
  
  Review the container mappings in your workflow steps or Web Dynpro context mappings. Ensure that system attributes are not included in the input/output mappings where they might be inadvertently changed.
  
  
  Use custom attributes for data changes:
  
  If you need to store or manipulate data related to the workflow, create custom container attributes instead of using system attributes.
  
  
  Debug and trace:
  
  If unsure where the modification attempt happens, use debugging or workflow trace tools to identify the exact point where the system attribute is being changed.
  
  
  
  Related Information:
  
  SAP Note: Sometimes SAP Notes provide updates or patches related to workflow container handling. Check the SAP Support Portal for notes related to WD372.
  Workflow container best practices: Always separate system attributes from custom data attributes.
  SAP Help Documentation: Refer to SAP Workflow documentation for details on system attributes and container handling.
  Web Dynpro context mapping: When integrating workflows with Web Dynpro, ensure that system attributes are not mapped to editable UI elements.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WD372 - Workflow system attributes are not allowed to be edited
  
  
  Cause
  Attempt to modify read-only system attributes in workflow container or Web Dynpro context
  
  
  Solution
  Avoid modifying system attributes; use custom attributes for data changes
  
  
  Prevention
  Review container mappings; debug to find modification attempts
  
  
  Related Info
  SAP Notes, Workflow documentation, Web Dynpro context mapping best practices
  
  
  
  
  If you provide the exact scenario or code snippet where this error occurs, I can help you pinpoint the issue more precisely.