Striker does not work - IndexError: list index out of range - line 42

[cast3ldaccia]

what can i do? i have no idea

Traceback (most recent call last):
File "/home/kali/Tools/Striker/striker.py", line 42, in
source_1 = findsubdomains(sys.argv[1])
IndexError: list index out of range

with domain when i start it:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 174, in _new_conn
conn = connection.create_connection(
File "/usr/lib/python3/dist-packages/urllib3/util/connection.py", line 73, in create_connection
for res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM):
File "/usr/lib/python3.10/socket.py", line 955, in getaddrinfo
for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno -5] No address associated with hostname

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 704, in urlopen
httplib_response = self._make_request(
File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 387, in _make_request
self._validate_conn(conn)
File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 1043, in _validate_conn
conn.connect()
File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 358, in connect
self.sock = conn = self._new_conn()
File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 186, in _new_conn
raise NewConnectionError(
urllib3.exceptions.NewConnectionError: <urllib3.connection.HTTPSConnection object at 0x7f8fc37c0ca0>: Failed to establish a new connection: [Errno -5] No address associated with hostname

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/requests/adapters.py", line 440, in send
resp = conn.urlopen(
File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 786, in urlopen
retries = retries.increment(
File "/usr/lib/python3/dist-packages/urllib3/util/retry.py", line 592, in increment
raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='spyse.com', port=443): Max retries exceeded with url: /tools/subdomain-finder (Caused by NewConnectionError('<urllib3.connection.HTTPSConnection object at 0x7f8fc37c0ca0>: Failed to establish a new connection: [Errno -5] No address associated with hostname'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/home/kali/Tools/Striker/striker.py", line 42, in
source_1 = findsubdomains(sys.argv[1])
File "/home/kali/Tools/Striker/modules/findsubdomains.py", line 6, in findsubdomains
response = requester('https://findsubdomains.com/subdomains-of/' +
File "/home/kali/Tools/Striker/core/requester.py", line 21, in requester
response = requests.get(
File "/usr/lib/python3/dist-packages/requests/api.py", line 75, in get
return request('get', url, params=params, **kwargs)
File "/usr/lib/python3/dist-packages/requests/api.py", line 61, in request
return session.request(method=method, url=url, **kwargs)
File "/usr/lib/python3/dist-packages/requests/sessions.py", line 529, in request
resp = self.send(prep, **send_kwargs)
File "/usr/lib/python3/dist-packages/requests/sessions.py", line 667, in send
history = [resp for resp in gen]
File "/usr/lib/python3/dist-packages/requests/sessions.py", line 667, in
history = [resp for resp in gen]
File "/usr/lib/python3/dist-packages/requests/sessions.py", line 237, in resolve_redirects
resp = self.send(
File "/usr/lib/python3/dist-packages/requests/sessions.py", line 645, in send
r = adapter.send(request, **kwargs)
File "/usr/lib/python3/dist-packages/requests/adapters.py", line 519, in send
raise ConnectionError(e, request=request)
requests.exceptions.ConnectionError: HTTPSConnectionPool(host='spyse.com', port=443): Max retries exceeded with url: /tools/subdomain-finder (Caused by NewConnectionError('<urllib3.connection.HTTPSConnection object at 0x7f8fc37c0ca0>: Failed to establish a new connection: [Errno -5] No address associated with hostname'))