attempt to perform arithmetic on local 'to'

[niketartn-cyber]

[Stop Motion Helper] lua/includes/util.lua:300: attempt to perform arithmetic on local 'to' (a nil value)

1. LerpLinear - lua/includes/util.lua:300
2. LoadBetween - lua/smh/modifiers/flex.lua:68
   3. SetFrame - lua/smh/server/playback_manager.lua:66
   4. v - lua/smh/server/playback_manager.lua:129
   5. unknown - lua/includes/modules/hook.lua:102 (x61)

and this

[Stop Motion Helper] lua/includes/util.lua:300: attempt to perform arithmetic on local 'to' (a nil value)

1. LerpLinear - lua/includes/util.lua:300
2. LoadBetween - lua/smh/modifiers/flex.lua:68
   3. SetFrame - lua/smh/server/playback_manager.lua:66
   4. func - lua/smh/server/controller.lua:50
   5. unknown - lua/includes/extensions/net.lua:34 (x12)

this is shown during playback, and when i try select a keyframe.