Showing initialDoc array length doesn't match 'extension' array length

WebViewer Version: 8.3.0

Do you have an issue with a specific file(s)? yes
Can you reproduce using one of our samples or online demos? No
Are you using the WebViewer server? 8.3.0
Does the issue only happen on certain browsers? No
Is your issue related to a front-end framework? No
Is your issue related to annotations?
No
Please give a brief summary of your issue:
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particular doc showing infinite loading in webviewer

Please describe your issue and provide steps to reproduce it:
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showing “‘initialDoc’ array length doesn’t match ‘extension’ array length.” in console loading doc.
but, I doest not added the extension param

Please provide a link to a minimal sample where the issue is reproducible:

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