Game crashes when creating character

[Charha]

Hello! Looking forward to playing this game. I was trying to create a feline character, but I couldn't pick them a class. I got the following bug report on several tries.

TypeError:Cannot read property '50' of undefgined

at Object.SkillTreesSystem.findSkillTrees (SkillTreesSystem.js:1206:50)
at Object.SkillTreesSystem.getTreesSymbols (SkillTreesSystem.js:1193:42)
at Game_Actor.changeSkillTrees (SkillTreesSystem.js:1175:48)
at Game_Actor.change.Class (SkillTreesSystem.js:1140:10)
at Game_Interpreter.command321 (rpg_objects.js:10314:15)
at Game_Interpreter.executeCommand (rpg_objects.js:8930:34)
at Game_Interpreter.update (rpg_objects.js:8838:19)
at Game_Interpreter.update (LeTBS.js:10701:44)
at Game_Map.updateInterpreter (rpg_objects.js:6115:27)
at Game_Map.updateInterpreter (LeTBS.js:11552:47)