How To Fix WD477 - Clipboard inconsistent

SAP Error Message - Details

• Message type: E = Error

• Message class: WD - Workflow definition

• Message number: 477

• Message text: Clipboard inconsistent

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

INCLUDE NA_WF-ADMINISTRATOR OBJECT DOKU ID TX

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WD477 - Clipboard inconsistent ?

  SAP Error Message:
  
  WD477 Clipboard inconsistent
  
  Cause:
  The error message WD477 Clipboard inconsistent typically occurs in SAP Web Dynpro applications when there is an inconsistency or corruption in the Web Dynpro context (clipboard). The clipboard is an internal memory area where the Web Dynpro framework stores the context data (model data) during the application runtime.
  Common causes include:
  
  Context node or attribute mismatch: The application tries to access or modify a context node or attribute that does not exist or has been deleted.
  Incorrect context mapping: When context mappings between components or views are inconsistent or incorrectly defined.
  Programmatic context manipulation errors: Custom code that manipulates the context incorrectly, e.g., deleting nodes that are still referenced.
  Outdated or inconsistent metadata: After changes in the Web Dynpro component, the metadata or context structure might be inconsistent.
  Multiple parallel requests: Simultaneous requests that cause the context to be in an inconsistent state.
  
  
  Solution:
  
  
  Check Context Structure:
  
  Verify the context nodes and attributes in the Web Dynpro component.
  Ensure that all context nodes and attributes accessed in the code exist and are correctly defined.
  
  
  
  Review Context Mappings:
  
  Check the context mapping between components and views.
  Make sure the mappings are consistent and correctly defined.
  
  
  
  Debug Context Manipulation:
  
  If custom code manipulates the context (e.g., adding or deleting nodes), debug to ensure no invalid operations are performed.
  Avoid deleting nodes or attributes that are still in use.
  
  
  
  Clear and Rebuild:
  
  Sometimes, inconsistencies arise due to outdated metadata.
  Try to clean and rebuild the Web Dynpro component.
  Use transaction SE80 to regenerate the component and its metadata.
  
  
  
  Check for Parallel Requests:
  
  Avoid multiple parallel requests that might cause the context to be inconsistent.
  Implement proper synchronization if needed.
  
  
  
  SAP Notes and Patches:
  
  Check for relevant SAP Notes that address bugs related to WD477.
  Apply any recommended patches or support packages.
  
  
  
  
  Related Information:
  
  Transaction: Web Dynpro applications are developed and maintained in SE80.
  Debugging: Use the Web Dynpro debugger or ABAP debugger to analyze the context at runtime.
  SAP Help: Refer to SAP Web Dynpro documentation for context handling best practices.
  SAP Notes: Search SAP Support Portal for notes related to error message WD477 or clipboard inconsistencies.
  Common SAP Forums: SAP Community Network (SCN) discussions often provide insights and solutions.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WD477 Clipboard inconsistent
  
  
  Cause
  Context data inconsistency due to invalid context node/attribute access or mapping errors
  
  
  Solution
  Verify and correct context structure and mappings, debug context manipulation, rebuild component, check for parallel requests
  
  
  Tools
  SE80, Web Dynpro debugger, ABAP debugger
  
  
  Additional
  Check SAP Notes and apply patches if available
  
  
  
  
  If you provide the specific scenario or code snippet where the error occurs, I can help you analyze it further.