There are a few quests that fall foul of this lvl 52 business. Make hereafter stones, Processing grain, main quest line need 5 cactus and 5 thistles sorry your lvs too low. Suggest buying cactus from auction, no chance, can't grow them because 8x8 quest can't be completed.
Nice idea but it's stopping players from playing normally. I've got my char to lvl 49 but, it's getting really boring now not being able to do the quests in order and move on.