How To Fix WD464 - Container element '&' not found

SAP Error Message - Details

• Message type: E = Error

• Message class: WD - Workflow definition

• Message number: 464

• Message text: Container element '&' not found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WD464 - Container element '&' not found ?

  The SAP Web Dynpro error message:
  WD464 Container element '&' not found
  
  Cause:
  This error occurs when the Web Dynpro runtime tries to access a context node or attribute (container element) that does not exist in the current context structure. The placeholder & in the message is replaced by the name of the missing element.
  Common causes include:
  
  Typo or incorrect name in the context reference.
  The context element was not created or initialized before access.
  The context node or attribute was removed or renamed in the component/controller.
  Incorrect binding or usage of context elements in the view or controller code.
  Accessing a context element that belongs to a different controller or component without proper reference.
  
  
  Solution:
  To resolve this error, follow these steps:
  
  
  Check the context element name:
  
  Verify the exact name of the context node or attribute you are trying to access.
  Make sure it matches the name defined in the context structure (case-sensitive).
  
  
  
  Verify context initialization:
  
  Ensure that the context node or attribute is created or initialized before it is accessed.
  For example, if you are trying to access a context node, make sure it is created in the wdDoInit method or before usage.
  
  
  
  Check context binding in the view:
  
  If the error occurs in the UI, check the context binding in the layout or UI element properties.
  Make sure the binding path is correct and points to an existing context element.
  
  
  
  Check controller/component references:
  
  If you are accessing context elements from another controller or component, ensure you have the correct reference and the element exists in that context.
  
  
  
  Debugging:
  
  Use the debugger to check the context structure at runtime.
  In the debugger, inspect the context nodes and attributes to confirm the presence or absence of the element.
  
  
  
  Adjust code or context model:
  
  If the element is missing, add it to the context model.
  If the element is not needed, remove or correct the code that tries to access it.
  
  
  
  
  Related Information:
  
  SAP Note: Sometimes SAP Notes related to Web Dynpro context issues can provide patches or workarounds.
  Web Dynpro Context: The context is a hierarchical data structure used to store and exchange data between UI elements and controllers.
  Common methods: wdContext->getChildNode(), wdContext->getAttribute(), wdContext->getElement().
  SAP Help: Refer to SAP Web Dynpro ABAP documentation on context handling.
  Debugging tips: Use the Web Dynpro debugger and context inspector to analyze the context tree.
  
  
  Example:
  If you have code like:
  DATA node TYPE REF TO if_wd_context_node.
  node = wd_context->get_child_node( name = 'MY_NODE' ).
  and MY_NODE does not exist in the context, you will get this error.
  Make sure MY_NODE is defined in the context and created before this call.
  
  If you provide the exact element name or code snippet, I can help you pinpoint the issue more precisely.