
Hello
Thank you for your question and reaching out.
This error occurs when the Component Object Model (COM) cannot create the requested Automation object, and the Automation object is, therefore, unavailable to Visual Basic. This error does not occur on all computers.
In Visual Basic, there are several causes of error 429. The error occurs if any of the following conditions is true:
There is a mistake in the application.
There is a mistake in the system configuration.
There is a missing component.
There is a damaged component.
To find the cause of the error, isolate the problem. If you receive the "429" error message on a client computer, use the following information to isolate and resolve the error in Microsoft Office applications.
Reference:
https://support.microsoft.com/topic/b6070e15-ea78-4349-2751-72bdb5f186f7
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