Flipbook doesn’t appear

Hi, we have buyed your pro version of the plugin but when use the site in version not logged the pdf don’t load.

Into the console log of chrome tools appear this error:

Uncaught (in promise) RangeError: offset is out of bounds
    at Uint8Array.set (<anonymous>)
    at ChunkedStream.onReceiveData (pdf.worker.min.js?ver=1.7.6.2:1)
    at ChunkedStreamManager.onReceiveData (pdf.worker.min.js?ver=1.7.6.2:1)
    at pdf.worker.min.js?ver=1.7.6.2:1

You can fix the issue?
Is very important to me.

All the best

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