Issue while cretaing environment

[prakashncess]

conda create -n pflex python=3.8 fortran-compiler=1.2.1 numpy=1.21.2 pymc3=3.10.0 matplotlib=3.4.3 seaborn=0.11.2 scikit-image=0.18.3 pandas=1.3.2 -c conda-forge
Collecting package metadata (current_repodata.json): done
Solving environment: failed with current_repodata.json, will retry with next repodata source.
Collecting package metadata (repodata.json): done
Solving environment: failed

Plz help