About how to migrate, this blogger wrote in detail:
[Nanny level tutorial] Anaconda environment migration
Some issues that need to be resolved:
1. pip install error: bash: /home/lbw/anaconda3/envs/carla/bin/pip: /home/wrc/anaconda3/envs/carla/bin/python: interpreter error: No such file or directory
This is because the directory of pip is wrong and cannot be indexed. You can upgrade pip:
python -m pip install --upgrade pip