Attempt to fix bigint serialization issue (#1501)

## Description:

Attempt to fix bigint serialization issue

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [ ] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [ ] I have read and accepted the CLA aggreement (only required once).

src/server/GameServer.ts

@@ -199,7 +199,8 @@ export class GameServer {
             client.ws.send(
               JSON.stringify({
                 type: "error",
-                error: error.toString(),
+                error,
+                message,
               } satisfies ServerErrorMessage),
             );
             // Add a small delay before closing the connection to ensure the error message is received