function createTweens( animation, props ) {
    jQuery.each( props, function( prop, value ) {
        var collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ), //here is the error line!
            index = 0,
            length = collection.length;
        for ( ; index < length; index++ ) {
            if ( collection[ index ].call( animation, prop, value ) ) {

                // we're done with this property
                return;
            }
        }
    });
}

function createTweens( animation, props ) {
    jQuery.each( props, function( prop, value ) {
        var collection = (tweeners[ "*" ]).concat( tweeners[ prop ] ), //and this is the fix!
            index = 0,
            length = collection.length;
        for ( ; index < length; index++ ) {
            if ( collection[ index ].call( animation, prop, value ) ) {

                // we're done with this property
                return;
            }
        }
    });
}

if ( this.options.duration) {
    this.pos = eased = jQuery.easing[ this.easing ](  //here thrown an error!!
        percent, this.options.duration * percent, 0, 1, this.options.duration
    );
} 

if ( this.options.duration && jQuery.easing[ this.easing ]) {
    this.pos = eased = jQuery.easing[ this.easing ](
        percent, this.options.duration * percent, 0, 1, this.options.duration
    );
}