How To Fix WD018 - Container element & is for read purposes only. No values are assigned

WD018 - Overview

• Message type: E = Error

• Message class: WD - Workflow definition

• Message number: 018

• Message text: Container element & is for read purposes only. No values are assigned

What causes this issue?

Container element &v1& is used, but it is only read. You do not assign
values to this element either with the input parameters at the start of
the workflow or during the workflow.

System Response

This element will always be initial at runtime. Therefore no
conditions, bindings, etc. should be defined for it.
Bear in mind that methods cannot be executed on initial objects.

How to fix this error?

Check whether container element &v1& is actually required, or ensure
that values are assigned to the container element before it is used.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WD018 - Container element & is for read purposes only. No values are assigned ?

  The SAP error message WD018 ("Container element & is for read purposes only. No values are assigned") typically occurs in the context of Web Dynpro applications. This error indicates that a specific container element (like a UI element or a data model) is set to read-only mode, meaning that it cannot be modified or assigned any values during the execution of the application.
  
  Cause:
  
  Read-Only Configuration: The container element is configured as read-only in the Web Dynpro component. This can happen if the element is intended to display data without allowing user modifications.
  Data Binding Issues: The data binding for the container element may not be set up correctly, leading to the inability to assign values.
  Lifecycle State: The lifecycle state of the Web Dynpro component may not allow for changes to be made to the container element at the time the error occurs.
  Incorrect Context Node: The context node associated with the container element