Rolled back the version to 4.23, but
Starting job: Extract ISBN for 1 books
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Title: Atlas of Endometriosis
Format: PDF
Path: \\192.168.1.3\NASpace\Recipe\Library\2007\Atlas of Endometriosis (165)\Atlas of Endometriosis - 2007.pdf
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Exception when scanning for ISBN: not all arguments converted during string formatting
Failed to extract ISBN
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Scan complete, with 1 failures
Without this plugin, it makes no sense for me to use Calibre
