I’ve been fine for past 6 month, and all the sudden, I’ve encountered a strange problem.
Whenever I key the armature in object mode, it results in strange armature explosion. At first glance, it looked like I’ve locked some parameters, or problem in f-curves, but no.
They were all fine, nothing out of the oridnary. However, It seems to be causing to this particular file.
never mind, I’ve solved it by ticking off Visual keying