I can't upload my CSV file

[Friday8229]

I am using ESP32, commands that i used:

mpfshell -c "open ttyUSB0" to get the shell

The error:

mpfs [/]> lls

Local files:

 <dir> mp
 <dir> .git
 <dir> build
 <dir> mpfshell.egg-info
 <dir> doc
 <dir> tests
 <dir> dist
       AA00068.csv
       setup.py
       .gitignore
       LICENSE
       requirements.txt
       .editorconfig
       README.md
       setup.cfg
       .pre-commit-config.yaml

mpfs [/]> ls

Remote files in '/':


mpfs [/]> put AA00068.csv

Failed to create file: AA00068.csv