cry_store goes into crash loop after some hours ("OSError: [Errno 24] Too many open files" "socket.accept() out of system resource")

[Trolldemorted]

cry_store-1  | Traceback (most recent call last):
cry_store-1  |   File "/usr/lib/python3.8/asyncio/selector_events.py", line 164, in _accept_connection
cry_store-1  |     conn, addr = sock.accept()
cry_store-1  |   File "/usr/lib/python3.8/socket.py", line 292, in accept
cry_store-1  | OSError: [Errno 24] Too many open files
cry_store-1  | socket.accept() out of system resource
cry_store-1  | socket: <asyncio.TransportSocket fd=7, family=AddressFamily.AF_INET, type=SocketKind.SOCK_STREAM, proto=6, laddr=('0.0.0.0', 9122)>
cry_store-1  | Traceback (most recent call last):
cry_store-1  |   File "/usr/lib/python3.8/asyncio/selector_events.py", line 164, in _accept_connection
cry_store-1  |     conn, addr = sock.accept()
cry_store-1  |   File "/usr/lib/python3.8/socket.py", line 292, in accept
cry_store-1  | OSError: [Errno 24] Too many open files
cry_store-1  | socket.accept() out of system resource
cry_store-1  | socket: <asyncio.TransportSocket fd=7, family=AddressFamily.AF_INET, type=SocketKind.SOCK_STREAM, proto=6, laddr=('0.0.0.0', 9122)>
cry_store-1  | Traceback (most recent call last):
cry_store-1  |   File "/usr/lib/python3.8/asyncio/selector_events.py", line 164, in _accept_connection
cry_store-1  |     conn, addr = sock.accept()