heres the output
C:\Users\User>calibre-debug -w 2001_ A Space Odyssey - Arthur C. Clarke.epub
Turning on automatic hidpi scaling
devicePixelRatio: 1.0
logicalDpi: 96.0 x 96.0
physicalDpi: 95.81139489194499 x 95.9160839160839
Using calibre Qt style: True
Cannot read from: C:\Users\User\Clarke.epub
ERROR: userscript:viewer.js:3078: Uncaught TypeError: Internal error. Icu error.
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