Hello I tried to run QIIME using a few samples and a negative control with no bacteria. But the results were surprising as I found more bacteria identified under negative control than the samples which shouldn't be the case. This is the error log.
discarding /usr/miniconda3/bin from PATH
prepending /usr/miniconda3/envs/qiime1/bin to PATH
discarding /usr/miniconda3/bin from PATH
prepending /usr/miniconda3/envs/qiime1/bin to PATH
discarding /usr/miniconda3/bin from PATH
prepending /usr/miniconda3/envs/qiime1/bin to PATH
discarding /usr/miniconda3/bin from PATH
prepending /usr/miniconda3/envs/qiime1/bin to PATH
discarding /usr/miniconda3/bin from PATH
prepending /usr/miniconda3/envs/qiime1/bin to PATH
discarding /usr/miniconda3/bin from PATH
prepending /usr/miniconda3/envs/qiime1/bin to PATH
/usr/miniconda3/envs/qiime1/lib/python2.7/site-packages/matplotlib/collections.py:590: FutureWarning: elementwise comparison failed; returning scalar instead, but in the future will perform elementwise comparison
if self._edgecolors == str('face'):
/usr/miniconda3/envs/qiime1/lib/python2.7/site-packages/matplotlib/collections.py:590: FutureWarning: elementwise comparison failed; returning scalar instead, but in the future will perform elementwise comparison
if self._edgecolors == str('face'):
discarding /usr/miniconda3/bin from PATH
prepending /usr/miniconda3/envs/qiime1/bin to PATH
/usr/miniconda3/envs/qiime1/lib/python2.7/site-packages/numpy/core/_methods.py:82: RuntimeWarning: Degrees of freedom <= 0 for slice
warnings.warn("Degrees of freedom <= 0 for slice", RuntimeWarning)
It would be a great help if anyone can figure this out.