Hi @Nicholas_Bokulich,
after entering the command dev refresh-cache I recived an error. I cannot execute any commands in QIIME2 anymore, because this error show up... 
(qiime2-2022.8) [email protected]:~$ qiime dev refresh-cache
QIIME is caching your current deployment for improved performance. This may take a few moments and should only happen once per deployment.
Traceback (most recent call last):
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/q2cli/util.py", line 224, in get_plugin_manager
return qiime2.sdk.PluginManager.reuse_existing()
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/qiime2/sdk/plugin_manager.py", line 58, in reuse_existing
raise UninitializedPluginManagerError
qiime2.sdk.plugin_manager.UninitializedPluginManagerError
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/home/zm/miniconda3/envs/qiime2-2022.8/bin/qiime", line 11, in <module>
sys.exit(qiime())
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/click/core.py", line 1130, in __call__
return self.main(*args, **kwargs)
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/click/core.py", line 1055, in main
rv = self.invoke(ctx)
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/click/core.py", line 1657, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/click/core.py", line 1657, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/click/core.py", line 1404, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/click/core.py", line 760, in invoke
return __callback(*args, **kwargs)
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/q2cli/builtin/dev.py", line 33, in refresh_cache
import q2cli.core.cache
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/q2cli/core/cache.py", line 285, in <module>
CACHE = DeploymentCache()
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/q2cli/core/cache.py", line 61, in __init__
self._state = self._get_cached_state(refresh=refresh)
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/q2cli/core/cache.py", line 107, in _get_cached_state
self._cache_current_state(current_requirements)
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/q2cli/core/cache.py", line 205, in _cache_current_state
state = self._get_current_state()
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/q2cli/core/cache.py", line 253, in _get_current_state
plugin_manager = q2cli.util.get_plugin_manager()
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/q2cli/util.py", line 236, in get_plugin_manager
return qiime2.sdk.PluginManager()
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/qiime2/sdk/plugin_manager.py", line 67, in __new__
self._init(add_plugins=add_plugins)
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/qiime2/sdk/plugin_manager.py", line 105, in _init
plugin = entry_point.load()
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/pkg_resources/__init__.py", line 2471, in load
return self.resolve()
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/pkg_resources/__init__.py", line 2477, in resolve
module = __import__(self.module_name, fromlist=['__name__'], level=0)
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/rescript/plugin_setup.py", line 18, in <module>
from .merge import merge_taxa
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/rescript/merge.py", line 14, in <module>
from .ncbi import _allowed_ranks
File "/home/zm/miniconda3/envs/qiime2-2022.8/lib/python3.8/site-packages/rescript/ncbi.py", line 18, in <module>
from xmltodict import parse
ModuleNotFoundError: No module named 'xmltodict'