Time: All the time
Frequency: When fighting.
World name: Behemoth
Class/Level: All classes. All levels.
Party or solo: Party and Solo
In-game time: All the time

Step 1
1. Enagage enemy without locking on and trying to push L3. Lock on does not work during battle.

Step 2
1. Approach enemy without aggro'ing it. Push L3. Lock on works
2. While fighting monster and you disable lock on you are unable to relock on when in battle.