Qual a razão deste erro?
 

rtl card detected
IFD: Activating card in reader rtl

IFD: Activating card
IO: Receiving:
ERROR in IO_Serial_Read errno=0
ERROR: 0 characters found in ATR
ERROR, function call Sci_Reset(reader, atr) returns error.
Error activating card.
IFD: Activating card in reader rtl


ATR: 00 00
ERROR: Could not read reader->convention
Error activating card.
card initializing error
init for all local cards done
anti cascading disabled