io.confluent.connect.storage.errors.PartitionException: Error encoding partition.

[Adeljoo]

I deploy the code and I got the following error. Any helps?

org.apache.kafka.connect.errors.ConnectException: Exiting WorkerSinkTask due to unrecoverable exception. at org.apache.kafka.connect.runtime.WorkerSinkTask.deliverMessages(WorkerSinkTask.java:559) at org.apache.kafka.connect.runtime.WorkerSinkTask.poll(WorkerSinkTask.java:315) at org.apache.kafka.connect.runtime.WorkerSinkTask.iteration(WorkerSinkTask.java:218) at org.apache.kafka.connect.runtime.WorkerSinkTask.execute(WorkerSinkTask.java:186) at org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:170) at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:214) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: io.confluent.connect.storage.errors.PartitionException: Error encoding partition. at com.accelerator.kafka.connect.FieldAndTimeBasedPartitioner$PartitionFieldExtractor.extract(FieldAndTimeBasedPartitioner.java:153) at com.accelerator.kafka.connect.FieldAndTimeBasedPartitioner.encodePartition(FieldAndTimeBasedPartitioner.java:97) at io.confluent.connect.s3.TopicPartitionWriter.executeState(TopicPartitionWriter.java:205) at io.confluent.connect.s3.TopicPartitionWriter.write(TopicPartitionWriter.java:176) at io.confluent.connect.s3.S3SinkTask.put(S3SinkTask.java:195) at org.apache.kafka.connect.runtime.WorkerSinkTask.deliverMessages(WorkerSinkTask.java:537) ... 10 more