when running the solution of [https://github.com/dataArtisans/sql-training/wiki/Writing-Query-Results-to-External-Tables#writing-an-append-only-table-to-kafka](https://github.com/dataArtisans/sql-training/wiki/Writing-Query-Results-to-External-Tables#writing-an-append-only-table-to-kafka). The submitted job failed as shown in web UI. You can see the results below.  How to fix it?