Not working

[amghidh]

web version says: download.js:94 GET https://crossorigin-originchanger.herokuapp.com/http://auth.ebookplus.pearsoncmg.com/products/CM67833580/pages/9782761399425_cover.pdf&hsid=d24a37068996c16d1bd51498607415b3 404 (Not Found) downloadPdfPages @ download.js:94 (anonymous) @ download.js:356 Promise.then (async) (anonymous) @ download.js:354 Promise.then (async) getPageInfo @ download.js:353 (anonymous) @ download.js:399 Promise.then (async) (anonymous) @ download.js:397 Promise.then (async) window.doDownload @ download.js:396 (anonymous) @ VM160:1 errors.js:94 Uncaught (in promise) Error: Failed to parse PDF document (line:0 col:0 offset=0): No PDF header found at e [as constructor] (errors.js:94) at new e (errors.js:171) at e.parseHeader (PDFParser.js:92) at e. (PDFParser.js:44) at tslib.es6.js:99 at Object.next (tslib.es6.js:80) at tslib.es6.js:73 at new Promise () at i (tslib.es6.js:69) at e.parseDocument (PDFParser.js:35)