Running external command line application. This may print messages to stdout and/or stderr.
The command being run is below. This command cannot be manually re-run as it will depend on temporary files that no longer exist.

Command: vsearch --derep_fulllength /tmp/qiime2-archive-3mzen1e_/9f98b382-6866-44f0-820e-8ca91e2451d0/data/dna-sequences.fasta --output /tmp/tmpu9d1b7w4 --uc /tmp/tmpqe0fkgd5 --qmask none --xsize --threads 1

vsearch v2.7.0_linux_x86_64, 125.9GB RAM, 12 cores
https://github.com/torognes/vsearch

Reading file /tmp/qiime2-archive-3mzen1e_/9f98b382-6866-44f0-820e-8ca91e2451d0/data/dna-sequences.fasta 100%
109203439 nt in 260351 seqs, min 111, max 1887, avg 419
Dereplicating 100%
Sorting 100%
79890 unique sequences, avg cluster 3.3, median 1, max 5847
Writing output file 100%
Writing uc file, first part 100%
Writing uc file, second part 100%
Traceback (most recent call last):
  File "/home/qiime2/miniconda3/envs/qiime2-2021.2/lib/python3.6/site-packages/pandas/core/indexes/base.py", line 2897, in get_loc
    return self._engine.get_loc(key)
  File "pandas/_libs/index.pyx", line 107, in pandas._libs.index.IndexEngine.get_loc
  File "pandas/_libs/index.pyx", line 131, in pandas._libs.index.IndexEngine.get_loc
  File "pandas/_libs/hashtable_class_helper.pxi", line 1607, in pandas._libs.hashtable.PyObjectHashTable.get_item
  File "pandas/_libs/hashtable_class_helper.pxi", line 1614, in pandas._libs.hashtable.PyObjectHashTable.get_item
KeyError: '16S_015'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/qiime2/miniconda3/envs/qiime2-2021.2/lib/python3.6/site-packages/q2cli/commands.py", line 329, in __call__
    results = action(**arguments)
  File "<decorator-gen-151>", line 2, in dereplicate
  File "/home/qiime2/miniconda3/envs/qiime2-2021.2/lib/python3.6/site-packages/qiime2/sdk/action.py", line 245, in bound_callable
    output_types, provenance)
  File "/home/qiime2/miniconda3/envs/qiime2-2021.2/lib/python3.6/site-packages/qiime2/sdk/action.py", line 390, in _callable_executor_
    output_views = self._callable(**view_args)
  File "/home/qiime2/miniconda3/envs/qiime2-2021.2/lib/python3.6/site-packages/rescript/dereplicate.py", line 54, in dereplicate
    taxa, sequences, clustered_seqs, uc, mode=mode)
  File "/home/qiime2/miniconda3/envs/qiime2-2021.2/lib/python3.6/site-packages/rescript/dereplicate.py", line 116, in _dereplicate_taxa
    uc['Taxon'] = uc['seqID'].apply(lambda x: taxa.loc[x])
  File "/home/qiime2/miniconda3/envs/qiime2-2021.2/lib/python3.6/site-packages/pandas/core/series.py", line 4045, in apply
    mapped = lib.map_infer(values, f, convert=convert_dtype)
  File "pandas/_libs/lib.pyx", line 2228, in pandas._libs.lib.map_infer
  File "/home/qiime2/miniconda3/envs/qiime2-2021.2/lib/python3.6/site-packages/rescript/dereplicate.py", line 116, in <lambda>
    uc['Taxon'] = uc['seqID'].apply(lambda x: taxa.loc[x])
  File "/home/qiime2/miniconda3/envs/qiime2-2021.2/lib/python3.6/site-packages/pandas/core/indexing.py", line 1424, in __getitem__
    return self._getitem_axis(maybe_callable, axis=axis)
  File "/home/qiime2/miniconda3/envs/qiime2-2021.2/lib/python3.6/site-packages/pandas/core/indexing.py", line 1850, in _getitem_axis
    return self._get_label(key, axis=axis)
  File "/home/qiime2/miniconda3/envs/qiime2-2021.2/lib/python3.6/site-packages/pandas/core/indexing.py", line 160, in _get_label
    return self.obj._xs(label, axis=axis)
  File "/home/qiime2/miniconda3/envs/qiime2-2021.2/lib/python3.6/site-packages/pandas/core/generic.py", line 3737, in xs
    loc = self.index.get_loc(key)
  File "/home/qiime2/miniconda3/envs/qiime2-2021.2/lib/python3.6/site-packages/pandas/core/indexes/base.py", line 2899, in get_loc
    return self._engine.get_loc(self._maybe_cast_indexer(key))
  File "pandas/_libs/index.pyx", line 107, in pandas._libs.index.IndexEngine.get_loc
  File "pandas/_libs/index.pyx", line 131, in pandas._libs.index.IndexEngine.get_loc
  File "pandas/_libs/hashtable_class_helper.pxi", line 1607, in pandas._libs.hashtable.PyObjectHashTable.get_item
  File "pandas/_libs/hashtable_class_helper.pxi", line 1614, in pandas._libs.hashtable.PyObjectHashTable.get_item
KeyError: '16S_015'