Error 0x8010000B

Value: -2146435061 | 0x8010000B | 2148532235

What does it mean ?

SCARD_E_SHARING_VIOLATION  
The smart card cannot be accessed because of other connections outstanding.
Value: 11 | 0x000B | 0b0000000000001011

Where does it come from ?

FACILITY_SCARD  
Smart-card subsystem
Value: 16 | 0x010 | 0b00010000

StackOverflow

Other Errors for FACILITY_SCARD