3D FlipBook - Hello. I’m using the WordPress plug-in. When I post some flipbooks, display hangs on the initial Please wait…the

Hello. I’m using the WordPress plug-in. When I post some flipbooks, display hangs on the initial Please wait…the Application is Loading screen. This only happens in Chrome, not IE, FF or Safari. It happens every time in WIndows 10 but only intermittently in Chrome in OS X High Sierra. Here’s the message from the Chrome console: pdf.worker.js:1 The provided value ‘moz-chunked-arraybuffer’ is not a valid enum value of type XMLHttpRequestResponseType. e @ pdf.worker.js:1 pdf.worker.js:1 Error: Bad end offset: 2152934 pdf.worker.js:1 at y (https://test-sheltermedicine.pantheonsite.io/wp-content/plugins/3d-flip-book/assets/js/pdf.worker.js:1:27152) at w (https://test-sheltermedicine.pantheonsite.io/wp-content/plugins/3d-flip-book/assets/js/pdf.worker.js:1:27300) at t.e [as onReceiveData] (https://test-sheltermedicine.pantheonsite.io/wp-content/plugins/3d-flip-book/assets/js/pdf.worker.js:1:85782) at t.e [as onReceiveData] (https://test-sheltermedicine.pantheonsite.io/wp-content/plugins/3d-flip-book/assets/js/pdf.worker.js:1:91397) at t.<anonymous> (https://test-sheltermedicine.pantheonsite.io/wp-content/plugins/3d-flip-book/assets/js/pdf.worker.js:1:89395) pdf.worker.js:1 Uncaught (in promise) Error: Bad end offset: 2152934 at y (pdf.worker.js:1) at w (pdf.worker.js:1) at t.e [as onReceiveData] (pdf.worker.js:1) at t.e [as onReceiveData] (pdf.worker.js:1) at t.<anonymous> (pdf.worker.js:1) Sample urls: https://test-sheltermedicine.pantheonsite.io/3d-flip-book/shelter-medicine-times-v4-i2/ https://test-sheltermedicine.pantheonsite.io/3d-flip-book/smt-test-3-3/ Do you know what might cause this? Thanks for any help you can provide.