How To Fix WD201 - Installation error: Node type '&' not configured

WD201 - Overview

• Message type: E = Error

• Message class: WD - Workflow definition

• Message number: 201

• Message text: Installation error: Node type '&' not configured

What causes this issue?

The Workflow Builder tried to create a node of type '&V1&'. This node
type is not configured in the system tables TETYP and TETYT.

System Response

The node cannot be created.

How to fix this error?

Maintain tables TETYP and TETYT or carry out a supplementary transport
from the original system.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WD201 - Installation error: Node type '&' not configured ?

  SAP Error Message:
  WD201 Installation error: Node type '&' not configured
  
  Cause
  This error typically occurs during the installation or configuration of Web Dynpro components in SAP. The message indicates that a node type represented by '&' (which is a placeholder in the error message for the actual node type) is not configured in the Web Dynpro component or application metadata.
  In other words, the Web Dynpro runtime is trying to instantiate or access a node type that has not been properly defined or registered in the component's metadata repository. This can happen due to:
  
  Missing or incomplete component configuration.
  Corrupted or incomplete Web Dynpro component installation.
  Inconsistent or outdated metadata cache.
  Errors in the component's configuration XML files.
  Transport or system copy issues where the component metadata was not properly imported.
  
  
  Solution
  
  
  Check the Actual Node Type:
  
  The error message shows & as a placeholder. Look into the detailed logs or trace files to find the actual node type name causing