> I will just remove one bracket from your complex equations Let’s see how many hours you will spend to fix it.
I would measure the fix time in minutes, even seconds, but not in hours. Emacs would help with that. Moving your \end{document} backwards would find the problem also.
Challenges are for low-rank influencers and people willing to prove to strangers how freaking smart or popular they are, or how fast they can rap.
To be honest, I couldn't care less about that. Knowing that it can be done and how to do it is more than enough for me. Nothing to learn or gain jumping in that vanity wrestling ring.
I would measure the fix time in minutes, even seconds, but not in hours. Emacs would help with that. Moving your \end{document} backwards would find the problem also.