Error of installation mfix-24

I had installed version 24.2.2, but after using it for a while there was an error that didn’t compile, so I removed it and removed the 24.2.2 environment. When I try to install version 24, the following error occurs.

(base) C:\Users\user>conda create -n mfix-24.4 mfix==24.4 mfix-doc==24.4 mfix-gui==24.4 mfix-solver==24.4 mfix-src==24.4 -c conda-forge -c https://mfix.netl.doe.gov/s3/09ed68c0/2644a66085a7d322e219baa045e43628//conda/dist
Collecting package metadata (current_repodata.json): done
Solving environment: failed with repodata from current_repodata.json, will retry with next repodata source.
Collecting package metadata (repodata.json): done
Solving environment: -
Found conflicts! Looking for incompatible packages.
This can take several minutes. Press CTRL-C to abort.
Examining mfix-gui==24.4: 67%|██████████████████████████████████████▋ | 4/6 [00:00<00:00, 22.65it/s]-failed

>>>>>>>>>>>>>>>>>>>>>> ERROR REPORT <<<<<<<<<<<<<<<<<<<<<<

Traceback (most recent call last):
  File "C:\Anaconda3\lib\site-packages\conda\exceptions.py", line 1079, in __call__
    return func(*args, **kwargs)
  File "C:\Anaconda3\lib\site-packages\conda\cli\main.py", line 84, in _main
    exit_code = do_call(args, p)
  File "C:\Anaconda3\lib\site-packages\conda\cli\conda_argparse.py", line 82, in do_call
    return getattr(module, func_name)(args, parser)
  File "C:\Anaconda3\lib\site-packages\conda\cli\main_create.py", line 37, in execute
    install(args, parser, 'create')
  File "C:\Anaconda3\lib\site-packages\conda\cli\install.py", line 265, in install
    should_retry_solve=(_should_retry_unfrozen or repodata_fn != repodata_fns[-1]),
  File "C:\Anaconda3\lib\site-packages\conda\core\solve.py", line 117, in solve_for_transaction
    should_retry_solve)
  File "C:\Anaconda3\lib\site-packages\conda\core\solve.py", line 158, in solve_for_diff
    force_remove, should_retry_solve)
  File "C:\Anaconda3\lib\site-packages\conda\core\solve.py", line 281, in solve_final_state
    ssc = self._run_sat(ssc)
  File "C:\Anaconda3\lib\site-packages\conda\common\io.py", line 88, in decorated
    return f(*args, **kwds)
  File "C:\Anaconda3\lib\site-packages\conda\core\solve.py", line 808, in _run_sat
    should_retry_solve=ssc.should_retry_solve
  File "C:\Anaconda3\lib\site-packages\conda\common\io.py", line 88, in decorated
    return f(*args, **kwds)
  File "C:\Anaconda3\lib\site-packages\conda\resolve.py", line 1318, in solve
    self.find_conflicts(specs, specs_to_add, history_specs)
  File "C:\Anaconda3\lib\site-packages\conda\resolve.py", line 347, in find_conflicts
    bad_deps = self.build_conflict_map(specs, specs_to_add, history_specs)
  File "C:\Anaconda3\lib\site-packages\conda\resolve.py", line 507, in build_conflict_map
    root, search_node, dep_graph, num_occurances)
  File "C:\Anaconda3\lib\site-packages\conda\resolve.py", line 369, in breadth_first_search_for_dep_graph
    last_spec = MatchSpec.union((path[-1], target_paths[-1][-1]))[0]
  File "C:\Anaconda3\lib\site-packages\conda\models\match_spec.py", line 481, in union
    return cls.merge(match_specs, union=True)
  File "C:\Anaconda3\lib\site-packages\conda\models\match_spec.py", line 475, in merge
    reduce(lambda x, y: x._merge(y, union), group) if len(group) > 1 else group[0]
  File "C:\Anaconda3\lib\site-packages\conda\models\match_spec.py", line 475, in <lambda>
    reduce(lambda x, y: x._merge(y, union), group) if len(group) > 1 else group[0]
  File "C:\Anaconda3\lib\site-packages\conda\models\match_spec.py", line 502, in _merge
    final = this_component.union(that_component)
  File "C:\Anaconda3\lib\site-packages\conda\models\match_spec.py", line 764, in union
    return '|'.join(options)
TypeError: sequence item 0: expected str instance, Channel found

$ C:\Anaconda3\Scripts\conda-script.py create -n mfix-24.4 mfix==24.4 mfix-doc==24.4 mfix-gui==24.4 mfix-solver==24.4 mfix-src==24.4 -c conda-forge -c https://mfix.netl.doe.gov/s3/09ed68c0/2644a66085a7d322e219baa045e43628//conda/dist

environment variables:
CIO_TEST=
CONDA_DEFAULT_ENV=base
CONDA_EXE=C:\Anaconda3\condabin..\Scripts\conda.exe
CONDA_EXES=“C:\Anaconda3\condabin..\Scripts\conda.exe”
CONDA_PREFIX=C:\Anaconda3
CONDA_PROMPT_MODIFIER=(base)
CONDA_PYTHON_EXE=C:\Anaconda3\python.exe
CONDA_ROOT=C:\Anaconda3
CONDA_SHLVL=1
HOMEPATH=\Users\user
PATH=C:\Anaconda3;C:\Anaconda3\Library\mingw-w64\bin;C:\Anaconda3\Library\u
sr\bin;C:\Anaconda3\Library\bin;C:\Anaconda3\Scripts;C:\Anaconda3\bin;
C:\Anaconda3;C:\Anaconda3\Library\mingw-w64\bin;C:\Anaconda3\Library\u
sr\bin;C:\Anaconda3\Library\bin;C:\Anaconda3\Scripts;C:\Anaconda3\bin;
C:\Anaconda3\condabin;D:\Tecplot2018\Tecplot Chorus 2018
R1\bin;D:\Tecplot2018\Tecplot 360 EX 2018 R1\bin;C:\Program
Files\Microsoft MPI\Bin;C:\ProgramData\Oracle\Java\javapath;C:\WINDOWS
\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\Wind
owsPowerShell\v1.0;C:\WINDOWS\System32\OpenSSH;C:\Program
Files\dotnet;C:\Program Files\PuTTY;D:\MATLAB2020a\runtime\win64;D:\MA
TLAB2020a\bin;D:\MATLAB2020a\polyspace\bin;C:\Users\user\AppData\Local
\Microsoft\WindowsApps;D:\SciTools\bin\pc-win64;D:\REFPROP
PSMODULEPATH=C:\Program Files\WindowsPowerShell\Modules;C:\WINDOWS\system32\Windows
PowerShell\v1.0\Modules
REQUESTS_CA_BUNDLE=
SSL_CERT_FILE=

 active environment : base
active env location : C:\Anaconda3
        shell level : 1
   user config file : C:\Users\user\.condarc

populated config files : C:\Users\user.condarc
conda version : 4.8.2
conda-build version : 3.18.11
python version : 3.7.6.final.0
virtual packages : __cuda=11.7
base environment : C:\Anaconda3 (writable)
channel URLs : conda-forge/win-64
conda-forge/noarch
https://mfix.netl.doe.gov/s3/09ed68c0/2644a66085a7d322e219baa045e43628//conda/dist/win-64
https://mfix.netl.doe.gov/s3/09ed68c0/2644a66085a7d322e219baa045e43628//conda/dist/noarch
main/win-64
main/noarch
r/win-64
r/noarch
msys2/win-64
msys2/noarch
package cache : C:\Anaconda3\pkgs
C:\Users\user.conda\pkgs
C:\Users\user\AppData\Local\conda\conda\pkgs
envs directories : C:\Anaconda3\envs
C:\Users\user.conda\envs
C:\Users\user\AppData\Local\conda\conda\envs
platform : win-64
user-agent : conda/4.8.2 requests/2.22.0 CPython/3.7.6 Windows/10 Windows/10.0.19041
administrator : False
netrc file : None
offline mode : False

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I’m not sure how to fix this problem but we have observed that sometimes the mamba command succeeds where conda fails. (mamba is a rewritten version of the Conda installer)