While using webviewer getting error msg and pdf both

WebViewer Version:

Do you have an issue with a specific file(s)?
Can you reproduce using one of our samples or online demos?
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Please give a brief summary of your issue: While using webviewer getting error msg and pdf both.

Please describe your issue and provide steps to reproduce it:
Open - Zanran
Login id- jaskaran Password-zanran@123
Issue is I am able to get the pdf in viewer but also getting the error msg along, this is only happening when I open the Pdf and PDF for first time, later the same is working fine.

PDF here is a BASE64 string.

Please provide a link to a minimal sample where the issue is reproducible:
video - Untitled: May 6, 2022 8:34 PM.webm - Google Drive

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Hi,

Does it happen to specific files?

Thanks.

Wanbo