Print a meaningful error mesage on webContents did-fail-load

main.js

@@ -68,9 +68,9 @@ function createMainWindow() {
         }
         return { action: 'deny' };
     });
-    win.webContents.on("did-fail-load", (event) => {
+    win.webContents.on("did-fail-load", (event, errorCode, errorDescription, validatedURL, isMainFrame) => {
-        log.error(event);
+        log.error(`Failed to load URL: ${validatedURL} with error: ${errorDescription}`);
-        if (event.isMainFrame && event.errorCode !== -3 && config.data?.url) {
+        if (errorCode !== -3 && config.data?.url) {
             loadOfflinePage();
         }
     });