conda stop to install or work

Hi, I need help please

I have Mac Bigsur
conda suddenly stop working or installing or even uninstalling I believe that there’s an issue in the env.
I’ve been tried many solutions but still the same !

conda install -c bioconda samtools
    Collecting package metadata (current_repodata.json): done
    Solving environment: failed with initial frozen solve. Retrying with flexible solve.
    Solving environment: failed with repodata from current_repodata.json, will retry with next repodata source.
    Collecting package metadata (repodata.json): done
    Solving environment: failed with initial frozen solve. Retrying with flexible solve.
    Solving environment: / 
    Found conflicts! Looking for incompatible packages.
    This can take several minutes.  Press CTRL-C to abort.
Examining conflict for olefile r-rcppeigen r-gistr r-codetools r-lattice r-formatr r-gplots r-nloptr bioconductor-annotate r-pryr r-lazyeval r-data.table pandas futu