bug fixes

Author: Place1

src/main/resources/TypescriptBrowser/api.mustache

@@ -98,7 +98,7 @@ export class BaseAPI {
 };
 
 export class RequiredError extends Error {
-    name: "RequiredError"
+    name = 'RequiredError';
     constructor(public field: string, msg?: string) {
         super(msg);
     }