impacket.nmb.NetBIOSError

[scanfsec]

Traceback (most recent call last):
File "eternalblue_exploit7.py", line 563, in
exploit(TARGET, sc, numGroomConn)
File "eternalblue_exploit7.py", line 525, in exploit
recvPkt = conn.recvSMB()
File "build/bdist.macosx-10.13-x86_64/egg/impacket/smb.py", line 2505, in recvSMB
File "build/bdist.macosx-10.13-x86_64/egg/impacket/nmb.py", line 899, in recv_packet
File "build/bdist.macosx-10.13-x86_64/egg/impacket/nmb.py", line 977, in __read
File "build/bdist.macosx-10.13-x86_64/egg/impacket/nmb.py", line 966, in non_polling_read
impacket.nmb.NetBIOSError: Error while reading from remote