Exception... "An invalid or illegal string was specified"

i got an Error: uncaught exception: [Exception... "An invalid or illegal string was specified" code: "12" nsresult: "0x8053000c (NS_ERROR_DOM_SYNTAX_ERR)" location: "http://192.168.56.101/projects/fabfolio/modules/views_braincloud/js/proc... Line: 15440"]

on debugging found div be zero on attraction and repulsion.. added default 0.01 to divisor

PVector attraction = calculateAttraction(this.center, this.parentCoord, (width/0.01+this.scaling));
PVector repulsion = calculateRepulsion(this.center, this.parentCoord, (this.w/0.01+this.mass));