error when I want use it

[FarshidShekari]

I clustered my data and use cluster id as the label and when I feed my data to fit it, I get an error in this line .
I get bellow errors:

Traceback (most recent call last):
  File "/home/rpz/Documents/Shekari/tst/tst.py", line 141, in <module>
    main()
  File "/home/rpz/Documents/Shekari/tst/tst.py", line 56, in main
    pca3.fit(X_Train,db.labels_.reshape(-1, 1))
  File "/home/rpz/Documents/Shekari/tst/SupervisedPCA.py", line 67, in fit
    self._fit(X, Y)
  File "/home/rpz/Documents/Shekari/tst/SupervisedPCA.py", line 81, in _fit
    K = self.centerer.fit_transform(self._get_kernel(Y))
  File "/home/rpz/Documents/Shekari/tst/SupervisedPCA.py", line 126, in _get_kernel
    filter_params=True, n_jobs=-1, **params)
  File "/home/rpz/.local/lib/python3.5/site-packages/sklearn/metrics/pairwise.py", line 1589, in pairwise_kernels
    return _parallel_pairwise(X, Y, func, n_jobs, **kwds)
  File "/home/rpz/.local/lib/python3.5/site-packages/sklearn/metrics/pairwise.py", line 1073, in _parallel_pairwise
    for s in gen_even_slices(_num_samples(Y), effective_n_jobs(n_jobs)))
  File "/home/rpz/.local/lib/python3.5/site-packages/sklearn/externals/joblib/parallel.py", line 930, in __call__
    self.retrieve()
  File "/usr/lib/python3.5/contextlib.py", line 77, in __exit__
    self.gen.throw(type, value, traceback)
  File "/home/rpz/.local/lib/python3.5/site-packages/sklearn/externals/joblib/_parallel_backends.py", line 148, in retrieval_context
    yield
  File "/home/rpz/.local/lib/python3.5/site-packages/sklearn/externals/joblib/parallel.py", line 930, in __call__
    self.retrieve()
  File "/home/rpz/.local/lib/python3.5/site-packages/sklearn/externals/joblib/parallel.py", line 833, in retrieve
    self._output.extend(job.get(timeout=self.timeout))
  File "/home/rpz/.local/lib/python3.5/site-packages/sklearn/externals/joblib/_parallel_backends.py", line 521, in wrap_future_result
    return future.result(timeout=timeout)
  File "/usr/lib/python3.5/concurrent/futures/_base.py", line 405, in result
    return self.__get_result()
  File "/usr/lib/python3.5/concurrent/futures/_base.py", line 357, in __get_result
    raise self._exception
sklearn.externals.joblib.externals.loky.process_executor.TerminatedWorkerError: A worker process managed by the executor was unexpectedly terminated. This could be caused by a segmentation fault while calling the function or by an excessive memory usage causing the Operating System to kill the worker. The exit codes of the workers are {SIGKILL(-9)}

Thanks for your help.