[BUG] error logging an error--need to null-check reason #1610

microsoft · Jul 14, 2021 · d2fa0ca · d2fa0ca
1 parent 552b046
commit d2fa0ca
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/extensions/applicationinsights-analytics-js/src/JavaScriptSDK/ApplicationInsights.ts b/extensions/applicationinsights-analytics-js/src/JavaScriptSDK/ApplicationInsights.ts
@@ -614,7 +614,7 @@ export class ApplicationInsights extends BaseTelemetryPlugin implements IAppInsi
                         const handled = originalOnUnhandledRejection && (originalOnUnhandledRejection.call(_window, error) as any);
                         if (handled !== true) { // handled could be typeof function
                             instance._onerror(Exception.CreateAutoException(
-                                error.reason.toString(),
+                                error && error.reason ? error.reason.toString() : error,
                                 _location ? _location.href : "",
                                 0,
                                 0,