unknow error message when drag a movieclip

Solar2D General Questions/Discussion
#1

I set my movieclip can be drag,mostly it’s ok.
but sometimes, maybe when keep drag and drop ,drag and drop the movieclip,it will show the error message:

/mygame/movieclip.lua:195: attempt to perform arithmetic on field ‘_startX’ (a nil value)

it’s a simple movieclip even no animation.

can I fix this problem ?

thanks. [import]uid: 21680 topic_id: 15812 reply_id: 315812[/import]

#2

Can you post your code to give us a better view? [import]uid: 23063 topic_id: 15812 reply_id: 58522[/import]