labithiotis exactly same as me.
i.imgur.com/M5uLzH5.jpg
Can't include capx as it's a finished game (200+mb).
I don't use platform behaviour. Can't pinpoint when it happens it seems random.
Chrome console dumps this:
Uncaught TypeError: Object #<Object> has no method 'indexOf' common_prelude.js:461
cr.arrayFindRemove common_prelude.js:461
Runtime.ClearDeathRow preview.js:1749
EventSheet.run eveng.js:180
Runtime.logic preview.js:1542
Runtime.tick preview.js:1280
(anonymous function) preview.js:356