(function executeRule(current, previous /*null when async*/) {


	if (current.state.changesTo(20)) {
		preventClose();
	}

	function preventClose(me) {
		var incident = new GlideRecord("incident");
		incident.addQuery("problem_id", me.sys_id);
		incident.query();
		while (incident.next()) {

			if(incident.state != "7"){//here 3 is the value of closed state
				gs.addErrorMessage("Related incident is not closed");
				current.setAbortAction(true);
			}if(current.state == '20'){
				current.state = previous.state;
				current.update();
			}
		}
	}





})(current, previous);