MUSCLE eco 5000 and memorycards

hi ho :-) i want to use the eco5000 reader, to use memory cards, but i have a difficult problem. if im using the following function i get back the errorcode 273. what does it mean ? and the pcsc server wrote : winscard_rpc_server.c 514: SCardCollectZombies: Collecting Zombies winscard_rpc_server

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