I've been having some issues with using BitmapText with my game, Sky Legend on Firefox. All is fine if I replace BitmapText with normal Text objects, but when rendering some BitmapText objects, Firefox gives this error: IndexSizeError: Index or size is negative or greater than the allowed amount   On line 34124 in Phaser.js: if(displayObject instanceof PIXI.Sprite){ var frame = displayObject.texture.frame; if(frame) { context.globalAlpha = displayObject.worldAlpha; if (displayObject.tex