How to fix "CondaValueError: Invalid environment name" in conda terminal when I use "conda env export"?

Question

I want to export my conda environment by using conda env export > xxx.yml,but it doesn't work.

My conda environment is created by specify the --prefix, it names "E:/Envs/DRF".To export it, I use conda activate E:/Envs/DRF make it activated.And then I use conda env export > xxx.yml,it doesn't work and I get some Error below.

Firstly,activate it:

E:\WorkSpace\PyCharm\CET6Cat>conda activate E:/Envs/DRF

And then I wanna export it to .yml file:

(E:\Envs\DRF) E:\WorkSpace\PyCharm\CET6Cat>conda env export > environment.yml
WARNING: The conda.compat module is deprecated and will be removed in a future r
elease.
WARNING: The conda.compat module is deprecated and will be removed in a future r
elease.

CondaValueError: Invalid environment name: 'E:\Envs\DRF'
  Characters not allowed: ('/', ' ', ':')

It doesn't work!

Answer 1

Try

conda env export --prefix /home/..../tfpy37 > dependency.yml

Here tfpy37 is my conda environment name located in my ubuntu directory /home/....