Remove pdftron console error

Product: pdf

Product Version: 7.1.2

Please give a brief summary of your issue:
Hi,
(Think of this as an email subject)
i have used the pdftron webviewer component of react and everything works fine but every time when i render the webviewer component in initial render it shows me the error ::::

Uncaught (in promise) TypeError: Cannot read properties of undefined (reading ‘indexOf’)

Please describe your issue and provide steps to reproduce it:
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Please provide a link to a minimal sample where the issue is reproducible:

Hi there,

Thanks for contacting us. I was wondering if you are able to give version 7.3.3 a try? If the issue still happens there we may need to gain access to your staging / production environment and investigate there.

Yixiao