static/ext/src/form/field/Base.js
function(active){
        var me = this,
            msgTarget = me.msgTarget,
            prop;
            
        if (me.rendered) {
            if (msgTarget == 'title' || msgTarget == 'qtip') {
                if (me.rendered) {
                    prop = msgTarget == 'qtip' ? 'data-errorqtip' : 'title';
                }
                me.getActionEl().dom.setAttribute(prop, active || '');
            } else {
                me.updateLayout();
            }
        }
    }
function(active){
        var me = this,
            msgTarget = me.msgTarget,
            prop;
            
        if (me.rendered) {
            if (msgTarget == 'title' || msgTarget == 'qtip') {
                if (me.rendered) {
                    prop = msgTarget == 'qtip' ? 'data-errorqtip' : 'title';
                }
                me.getActionEl().dom.setAttribute(prop, active || '');
            } else {
                me.updateLayout();
            }
        }
    }
Set the current error state
@private
@param {String} error The error message to set