message: fix(vue): Check for matched route existence before starting transaction
diff: @@ -61,7 +61,7 @@ export function vueRouterInstrumentation(router: VueRouter): VueRouterInstrument
  if (startTransactionOnLocationChange && !isPageLoadNavigation) {
  startTransaction({
  - name: to.name || to.matched[0].path || to.path,
  + name: to.name || (to.matched[0] && to.matched[0].path) || to.path,
  op: 'navigation',
  tags,
  data,
  