Grabbed dndbeyond's source code

```
~/go/bin/sourcemapper -output ddb -jsurl https://media.dndbeyond.com/character-app/static/js/main.90aa78c5.js
```

ddb_main/tools/js/Shared/actions/appInfo/actions.ts

@@ -0,0 +1,21 @@
+import AppErrorTypeEnum from "../../constants/AppErrorTypeEnum";
+import * as types from "./actionTypes";
+import { ErrorSetAction } from "./typings";
+
+/**
+ *
+ * @param appErrorType
+ * @param errorId
+ */
+export function errorSet(
+  appErrorType: AppErrorTypeEnum,
+  errorId: string | null = null
+): ErrorSetAction {
+  return {
+    type: types.ERROR_SET,
+    payload: {
+      appErrorType: appErrorType,
+      errorId,
+    },
+  };
+}