Error 0x8032001F

Value: -2144206817 | 0x8032001F | 2150760479

What does it mean ?

FWP_E_INVALID_NET_MASK  
A network mask is not valid.
Value: 31 | 0x001F | 0b0000000000011111

Where does it come from ?

FACILITY_FWP  
Firewall Platform
Value: 50 | 0x032 | 0b00110010

Other Errors for FACILITY_FWP