How To Fix SWDP_WB_TOOL818 - Contract for controller & is broken

SWDP_WB_TOOL818 - Overview

• Message type: E = Error

• Message class: SWDP_WB_TOOL - Web Dynpro: Messages for Workbench Tools

• Message number: 818

• Message text: Contract for controller & is broken

What causes this issue?

Contract for controller &v1& is broken.
The metadata of the controller at the time of creating the enhancement
is different from the current (active) metadata state. This could cause
data conflicts.

System Response

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

How to fix this error?

Using the compare operation, start the version comparison between the
contract and the current version in order to get an overview of the
differences.

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 SWDP_WB_TOOL818 - Contract for controller & is broken ?

  The SAP error message SWDP_WB_TOOL818 indicates that there is a problem with the contract for a controller in the SAP Web Dynpro application. This error typically arises when the contract between the controller and the view is not properly defined or is broken, which can lead to issues in the application’s functionality.
  Causes:
  
  Missing or Incorrectly Defined Controller: The controller might not be properly defined in the Web Dynpro component.
  Changes in the Interface: If the interface of the controller has been changed (e.g., methods or attributes added/removed) without updating the corresponding views, it can lead to this error.
  Transport Issues: If the component was transported from one system to another, there might be inconsistencies in the transport.
  Version Mismatch: There could be a version mismatch between the controller and the view, especially if they were developed separately.
  
  Solutions:
  
  Check Controller Definition: Ensure that the controller is correctly defined in the Web Dynpro component. Verify that all