check for errors

main.js

@@ -1634,7 +1634,7 @@
     (async () => {
       let routes = await getRoutes()
 
-      if (routes.length == 0) return
+      if (routes.error || routes.length == 0) return
 
       let result = Tag.div()
       result.append("Маршруты: ")
@@ -2241,7 +2241,8 @@
     function showUnknownPoints() {
       (async () => {
         let unknownPoints = await getUnknownPoints()
-        if (unknownPoints.length) {
+        if (unknownPoints.error || !unknownPoints.length) return
+
         let unknownPointsContainer = Tag.div()
         unknownPointsContainer.append("Несохраненные точки: ")
         for (const [i, cpId] of unknownPoints.entries()) {
@@ -2255,7 +2256,6 @@
           }))
         }
         document.querySelector(`#content h1`).after(unknownPointsContainer)
-        }
       })()
     }