Hi David, i tried to get shelves from device and got this result:.
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calibre, version 2.8.0 FEHLER: Nicht abgefangener Fehler:
TypeError:can only concatenate list (not "str"

to list calibre 2.8 isfrozen: True is64bit: False Windows-7-6.1.7601-SP1 Windows ('32bit', 'WindowsPE') ('Windows', '7', '6.1.7601') Python 2.7.8 Windows: ('7', '6.1.7601', 'SP1', 'Multiprocessor Free') Successfully initialized third party plugins: SmartEject && Find Duplicates && BOL_NL && EpubMerge && Clipboard Search && Read MP3 AudioBook metadata && Count Pages && Quick Preferences && Goodreads && Import List && Save To Format && KePub Output && User Category && Hyphenate This! && Webscription && Send by RSYNC && Hymn Reader && View Manager && Similar Stories && Quality Check && Beam Ebooks && Author Book Count Hierarchy && EpubSplit && Overdrive Link && Reading List && Extract ISBN && Generate Cover && Medical Reader && Copy Cover To Device && Goodreads Sync && Walk Search History && Author Book Count && Ex Libris && Search The Internet && BOL_DE && Favourites Menu && Annotations && Modify ePub && Manage Series && DOC Input && Recipe Reader && Barnes & Noble && KoboTouchExtended && Wiki Reader && Hello World Plugin && Resize Cover && Kobo Utilities && APNX Generator && Overdrive Link Traceback (most recent call last): File "calibre_plugins.koboutilities.action" ;, line 1285, in get_shelves_from_device File "calibre_plugins.koboutilities.action" ;, line 3647, in _get_shelves_from_device TypeError: can only concatenate list (not "str"

to list .
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What can I do. Thanks for your advice -Peter- Sorry for the bad formatting ????