diff --git a/src/loaders/ApiBasedRepositoryLoader.ts b/src/loaders/ApiBasedRepositoryLoader.ts
index 66ea4b7..d93000a 100644
--- a/src/loaders/ApiBasedRepositoryLoader.ts
+++ b/src/loaders/ApiBasedRepositoryLoader.ts
@@ -71,24 +71,30 @@ export class ApiBasedRepositoryLoader {
     formData.set("json", JSON.stringify(formDataJsonObject));
 
     const query = new URLSearchParams(params).toString();
-    const response = await fetch(`${this.baseUrl}?${query}`, {
-      method: "POST",
-      body: formData,
-    });
-    const json = await response.json();
 
-    if (typeof json.all === "object") {
-      await Promise.all(json.all.map(async (jsonRoute: any) => {
-        const constructedRoute: IRoute = {
-          name: jsonRoute.name,
-          color: jsonRoute.color,
-          id: jsonRoute.myid,
-          polylineCoordinates: [],
-          systemId: systemId,
-        };
+    try {
+      const response = await fetch(`${this.baseUrl}?${query}`, {
+        method: "POST",
+        body: formData,
+      });
+      const json = await response.json();
 
-        await this.repository.addOrUpdateRoute(constructedRoute);
-      }))
+      if (typeof json.all === "object") {
+        await Promise.all(json.all.map(async (jsonRoute: any) => {
+          const constructedRoute: IRoute = {
+            name: jsonRoute.name,
+            color: jsonRoute.color,
+            id: jsonRoute.myid,
+            polylineCoordinates: [],
+            systemId: systemId,
+          };
+
+          await this.repository.addOrUpdateRoute(constructedRoute);
+        }))
+      }
+    } catch(e: any) {
+      console.error(`fetchAndUpdateRouteDataForSystemId failed for system ID ${systemId}: ${e}`);
+      throw new ApiResponseError(e.message);
     }
   }