It's not really an issue, I can hide the error message I guess, but it's not doing anything bad. Just change your color to one that actually has a hand and the error will stop

I dunno if you still actively maintain this item but, found an issue:
If the player is seated on a color that doesn't have a corresponding hand zone on the board (for example, the player's color is defaulted to WHITE on launch of the game, if they load up a game/table that doesn't contain a seat/hand zone for WHITE while having this scripted item, the error occurs) it tries to add a hand count to the player of that color per second, but instead prompts the error "Error calling Lua functions, countItems, in Timer: Object reference not set to an instance of an object" on each failure since the corresponding hand zone of that color does not exist.
Still good stuff tho

There's a slight modification to be made to handle multiple hands per players but otherwise it's great

I ignored it because I saw it before seeing this message, thought it was just some random person, so I sent another invite. And sure, we can talk about it.

This is great - thank you! I have added you on Steam to discuss if this can be modified slightly for our game (FunkiFruit). We have credited you, and are using it at the moment. Thanks Patrick