Traceback (most recent call last):
  File "/home/ubuntu/miniconda3/envs/qiime2-2019.4/bin/deblur", line 684, in <module>
    deblur_cmds()
  File "/home/ubuntu/miniconda3/envs/qiime2-2019.4/lib/python3.6/site-packages/click/core.py", line 764, in __call__
    return self.main(*args, **kwargs)
  File "/home/ubuntu/miniconda3/envs/qiime2-2019.4/lib/python3.6/site-packages/click/core.py", line 717, in main
    rv = self.invoke(ctx)
  File "/home/ubuntu/miniconda3/envs/qiime2-2019.4/lib/python3.6/site-packages/click/core.py", line 1137, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/ubuntu/miniconda3/envs/qiime2-2019.4/lib/python3.6/site-packages/click/core.py", line 956, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/ubuntu/miniconda3/envs/qiime2-2019.4/lib/python3.6/site-packages/click/core.py", line 555, in invoke
    return callback(*args, **kwargs)
  File "/home/ubuntu/miniconda3/envs/qiime2-2019.4/bin/deblur", line 614, in workflow
    working_dir=working_dir)
  File "/home/ubuntu/miniconda3/envs/qiime2-2019.4/lib/python3.6/site-packages/deblur/workflow.py", line 229, in build_index_sortmerna
    raise RuntimeError('Cannot index database file %s' % db)
RuntimeError: Cannot index database file /home/ubuntu/miniconda3/envs/qiime2-2019.4/lib/python3.6/site-packages/deblur/support_files/88_otus.fasta
Traceback (most recent call last):
  File "/home/ubuntu/miniconda3/envs/qiime2-2019.4/lib/python3.6/site-packages/q2cli/commands.py", line 311, in __call__
    results = action(**arguments)
  File "</home/ubuntu/miniconda3/envs/qiime2-2019.4/lib/python3.6/site-packages/decorator.py:decorator-gen-441>", line 2, in denoise_16S
  File "/home/ubuntu/miniconda3/envs/qiime2-2019.4/lib/python3.6/site-packages/qiime2/sdk/action.py", line 231, in bound_callable
    output_types, provenance)
  File "/home/ubuntu/miniconda3/envs/qiime2-2019.4/lib/python3.6/site-packages/qiime2/sdk/action.py", line 365, in _callable_executor_
    output_views = self._callable(**view_args)
  File "/home/ubuntu/miniconda3/envs/qiime2-2019.4/lib/python3.6/site-packages/q2_deblur/_denoise.py", line 99, in denoise_16S
    hashed_feature_ids=hashed_feature_ids)
  File "/home/ubuntu/miniconda3/envs/qiime2-2019.4/lib/python3.6/site-packages/q2_deblur/_denoise.py", line 170, in _denoise_helper
    subprocess.run(cmd, check=True)
  File "/home/ubuntu/miniconda3/envs/qiime2-2019.4/lib/python3.6/subprocess.py", line 418, in run
    output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['deblur', 'workflow', '--seqs-fp', '/tmp/qiime2-archive-ylhfba9v/72c2f69b-7cc0-4324-ad20-117de939bffa/data', '--output-dir', '/tmp/tmpqnbfqmt9', '--mean-error', '0.005', '--indel-prob', '0.01', '--indel-max', '3', '--trim-length', '120', '--left-trim-length', '0', '--min-reads', '10', '--min-size', '2', '--jobs-to-start', '1', '-w', '--keep-tmp-files']' returned non-zero exit status 1.