To clarify, Brother Nathanael mistakenly says "1900 centuries" when he means "1900 years" as a rough approximation of the time elapsed between Moses and the writing of the Nedarim tractate

Glossary
>Moses ben Maimon, commonly known as Maimonides and also referred to by the Hebrew acronym Rambam, was a Sephardic rabbi and philosopher who became one of the most prolific and influential Torah scholars of the Middle Ages.

Here is the full Kol Nidre performance with English subtitles that Brother Nathanael played briefly on stream
https://www.chabad.org/multimedia/video_cdo/aid/4887391/jewish/Kol-Nidrei.htm
https://files.catbox.moe/fcrvdx.mp4