Unable to revert/convert trains

At the ranger guildmaster in the Frozen Gorge as a ranger but can still train stats like normal. Can train, gain revert/convert at the warrior guildmaster though. Inside a Hidden Ice Cave [Exits: north] A massive black bear bristles menacingly as it stands near its master. wilderness cave <100%hp 100%m 100%mv 2000tnl (50%) 9 PM> train You have three training sessions available. You can train: Current Max Cost STR 20 25 0 copper WIS 16 17 0 copper DEX 14 15 0 copper CON 22 24 0 copper CHR 16 17 0 copper HP, MANA, or MV at a cost of 0 copper. wilderness cave <100%hp 100%m 100%mv 2000tnl (50%) 9 PM> gain revert You can't do that here. wilderness cave <100%hp 100%m 100%mv 2000tnl (50%) 9 PM> gain convert You can't do that here. VS A Circle of Frozen Runes [Exits: north] A massive axe of cold steel gripped in his hands, Triteus trains those that dare to approach him. wilderness <100%hp 100%m 22%mv 2000tnl (50%) 6 AM> train You have three training sessions available. You can train: Current Max Cost STR 21 25 0 copper WIS 16 17 0 copper DEX 14 15 0 copper CON 22 24 0 copper CHR 16 17 0 copper HP, MANA, or MV at a cost of 0 copper. wilderness <100%hp 100%m 22%mv 2000tnl (50%) 6 AM> gain convert Triteus the Axebearer tells you 'You are not yet ready.' wilderness <100%hp 100%m 22%mv 2000tnl (50%) 6 AM> gain revert Triteus the Axebearer helps you apply your training to practice.