genion19: I think you should report that issue at https://github.com/TrinityCore/TrinityCore/issues (be detailed!) The texts shouldn't be hardcoded in the code.
At this moment, it is better if you use something like SQLYog or phpmyadmin to browse the DB schema instead of relying on the structure in the wiki. P.S PrevQuestId and NextQuestId (and a few others) were moved to `quest_template_addon`
For those who want to have quick start with GIT:
GitHub Cheat Sheet
All the hidden and not hidden features of Git and GitHub. This cheat sheet was inspired by Zach Holman's Git and GitHub Secrets talk at Aloha Ruby Conference 2012 (slides) and his More Git and GitHub Secrets talk at WDCNZ 2013 (slides).
Link: https://github.com/tiimgreen/github-cheat-sheet