Article 54NQB Help with correcting error on Gnome Terminal made while attempting to upgrade login pw

Help with correcting error on Gnome Terminal made while attempting to upgrade login pw

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User Namedonaldrshaffer
from LinuxQuestions.org on (#54NQB)
I was notified on the terminal that an upgrade was available that allowed me to enter protonvpn commands without entering the password first. The upgrade offered other features that i did not really focus on. Anyway, when I attempted to enter into the terminal the instructions given I entered everything except the part where I should have replaced "username" with "donaldrshaffer@h8-1000z". Now I am unable to access sudo commands because of the error message:

>>> /etc/sudoers: syntax error near line 34 <<<
sudo: parse error in /etc/sudoers near line 34
sudo: no valid sudoers sources found, quitting
sudo: unable to initialize policy plugin

I've used the search results to fix this issue with no positive results. What do I need to do to restore the sudo command and repair the username/pw issue I've created?latest?d=yIl2AUoC8zA latest?i=D61kedKx-20:lqAkzAQ71N8:F7zBnMy latest?i=D61kedKx-20:lqAkzAQ71N8:V_sGLiP latest?d=qj6IDK7rITs latest?i=D61kedKx-20:lqAkzAQ71N8:gIN9vFwD61kedKx-20
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