Python Ray package Could not connect to socket-CodePudding

I have a python script summarize output from multiple text files and including Ray package to speed up the process. Usually its worked very well but today when I start the script I found this error:

2022-02-10 08:51:37,066 INFO services.py:1090 -- View the Ray dashboard at http://127.0.0.1:8265
F0210 08:51:47.099318 14524 14524 raylet_client.cc:57] Could not connect to socket /tmp/ray/session_2022-02-10_08-51-36_630301_14524/sockets/raylet
*** Check failure stack trace: ***
    @     0x7fe1ef38eb5d  google::LogMessage::Fail()
    @     0x7fe1ef38ffcc  google::LogMessage::SendToLog()
    @     0x7fe1ef38e839  google::LogMessage::Flush()
    @     0x7fe1ef38ea51  google::LogMessage::~LogMessage()
    @     0x7fe1ef341ec9  ray::RayLog::~RayLog()
    @     0x7fe1ef05d30f  ray::raylet::RayletConnection::RayletConnection()
    @     0x7fe1ef05e620  ray::raylet::RayletClient::RayletClient()
    @     0x7fe1ef001b7b  ray::CoreWorker::CoreWorker()
    @     0x7fe1ef005734  ray::CoreWorkerProcess::CreateWorker()
    @     0x7fe1ef0069a2  ray::CoreWorkerProcess::CoreWorkerProcess()
    @     0x7fe1ef00737b  ray::CoreWorkerProcess::Initialize()
    @     0x7fe1eef3b603  __pyx_pw_3ray_7_raylet_10CoreWorker_1__cinit__()
    @     0x7fe1eef3cd65  __pyx_tp_new_3ray_7_raylet_CoreWorker()
    @           0x531e75  (unknown)
    @           0x4f9999  _PyObject_MakeTpCall
    @           0x55b5e4  _PyEval_EvalFrameDefault
    @           0x555d8f  _PyEval_EvalCodeWithName
    @           0x4fa15d  _PyFunction_Vectorcall
    @           0x557450  _PyEval_EvalFrameDefault
    @           0x555d8f  _PyEval_EvalCodeWithName
    @           0x4fa15d  _PyFunction_Vectorcall
    @           0x557450  _PyEval_EvalFrameDefault
    @           0x555810  _PyEval_EvalCodeWithName
    @           0x555503  PyEval_EvalCode
    @           0x615e30  (unknown)
    @           0x615dce  (unknown)
    @           0x477194  (unknown)
    @           0x476f77  PyRun_SimpleFileExFlags
    @           0x424898  (unknown)
    @           0x5e7809  Py_BytesMain
    @     0x7fe1f0a49bf7  __libc_start_main
    @           0x5e771a  _start
Aborted (core dumped)

About the script, its worked very well on another computer I put to it and I have used this script for months without any problem. Can someone explained for me what happened and how to solve it, thank you very much

EDIT 1: I just reinstall ray through pip and when the script started I have new error:

terminate called after throwing an instance of 'std::system_error'
  what():  Resource temporarily unavailable
Fatal Python error: Aborted

Stack (most recent call first):
  File "/home/ubuntu/.local/lib/python3.8/site-packages/ray/state.py", line 77 in _really_init_global_state
  File "/home/ubuntu/.local/lib/python3.8/site-packages/ray/state.py", line 45 in _check_connected
  File "/home/ubuntu/.local/lib/python3.8/site-packages/ray/state.py", line 236 in next_job_id
  File "/home/ubuntu/.local/lib/python3.8/site-packages/ray/state.py", line 766 in next_job_id
  File "/home/ubuntu/.local/lib/python3.8/site-packages/ray/worker.py", line 1399 in connect
  File "/home/ubuntu/.local/lib/python3.8/site-packages/ray/worker.py", line 961 in init
  File "/home/ubuntu/.local/lib/python3.8/site-packages/ray/_private/client_mode_hook.py", line 105 in wrapper
  File "multianalysis.py", line 6 in <module>
Aborted (core dumped)

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