ers[index] = tmpBalancer;
            // change edited tag if used in rule section
            if (oldTag != balancer.tag) {
              newTemplateSettings.routing.rules.forEach((rule) => {
                if (rule.balancerTag && rule.balancerTag == oldTag) {
                  rule.balancerTag = balancer.tag;
                }
              });
            }
            this.templateSettings = newTemplateSettings;
            this.updateObservatorySelectors();
            balancerModal.close();
         