Lua Error: /data/talents/uber/str.lua:196: attempt to call field 'updateTalent' (a nil value)
At [C]:-1 updateTalent
At /data/talents/uber/str.lua:196 passives
At /engine/interface/ActorTalents.lua:435 learnTalent
At /mod/class/Actor.lua:4035 learnTalent
At /mod/dialogs/LevelupDialog.lua:215 finish
At /mod/dialogs/LevelupDialog.lua:120 fct
At /engine/ui/Dialog.lua:158 fct
At /engine/ui/Button.lua:62 fct
At /engine/Mouse.lua:56 receiveMouse
At /engine/Mouse.lua:94 delegate
At /engine/ui/Dialog.lua:600 mouseEvent
At /engine/ui/Dialog.lua:341 fct
At /engine/Mouse.lua:56
At this point, I get a message that Slasul is happy, I can then press escape and get the question if I accept the changes. On Yes, I get the same error again

If I press control-C and restart the t-engine, I can choose the Legacy prodigy again - resulting in the same error message.