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UFT-QTP-Sprinter: Error Object does not support this property or method

QTP/Sprinter JavaScript error

Are you trying to record against a web application using either QTP or Sprinter and keep getting an error message “Errors on this webpage might cause it to work incorrectly”?

Are most of the errors “Object doesn’t support this action” or Object doesn’t support this property or method”?


No worries – turns out this is a known issue.

Reason for this error

This error is usually caused by a configuration setting in the Sprinter and QuickTest Pro. The JavaScript error is triggered when QTP tries to hook into the DOM’s mutation methods. This causes bad things to happen with the QTP engine tries to hook into element types that don’t use the DOM mutation methods.

This insanity can be fixed by changing a registry setting.

Quick Fix

To fix this issue you need to make a change to the following QTP registry setting:

  • Click on Start>Run and enter: regedit. (If you get a User Controls dialog click ‘Yes’)
  • Navigate to following registry key:
  • HKEY_CURRENT_USER\SOFTWARE\Mercury Interactive\QuickTest Professional\MicTest\Packages\WebPackage\Settings
    
    • Change the DWORD value “EnableDOMChangesNotifications” to 0
    • Restart QTP

    The issue should now be resolved!

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Optin Architect