"SpecNotFound: Invalid name, try the format: user/package" in Creating new Conda env with yml file (Windows 10)

Question

I'm trying to Create New conda environment by 'Anaconda Prompt' usnig yml File in Windows 10.
So here is the steps i made through:

1. using cd command i changed the directory to dir which my yml file located. (suppose my yml file is in c:/Users/<USER NAME>/.jupyter )
2. Then i used conda env create -f Python 310.yml command to create new conda env.

and what i got is:

SpecNotFound: Invalid name, try the format: user/package

Now I don't know how can I solve this problem and exactly what is the meaning of this error.

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Appendix

my Python 310.yml file contains these stuff:

Answer 1

drop the "env" in "conda env create" it's just "conda create ..."