Caused by: org.apache.kafka.connect.errors.DataException: Invalid value: null used for required field: "tags", schema type: ARRAY
    at org.apache.kafka.connect.data.ConnectSchema.validateValue(ConnectSchema.java:220)
    at org.apache.kafka.connect.data.Struct.validate(Struct.java:233)
    at org.apache.kafka.connect.data.ConnectSchema.validateValue(ConnectSchema.java:250)
    at org.apache.kafka.connect.data.Struct.put(Struct.java:216)
    at org.apache.kafka.connect.data.Struct.put(Struct.java:203)
    at io.debezium.data.Envelope.update(Envelope.java:323)
    at io.debezium.relational.RelationalChangeRecordEmitter.emitUpdateRecord(RelationalChangeRecordEmitter.java:112)
    at io.debezium.relational.RelationalChangeRecordEmitter.emitChangeRecords(RelationalChangeRecordEmitter.java:53)
    at io.debezium.connector.postgresql.PostgresChangeRecordEmitter.emitChangeRecords(PostgresChangeRecordEmitter.java:96)
    at io.debezium.pipeline.EventDispatcher.dispatchDataChangeEvent(EventDispatcher.java:209)
    ... 16 more 

// e.g. tags is a column with type uuid[] and is represented as follows in the kafka record

"tags": [
    {
      "string": "88fb0840-9370-4e15-8d83-05cbe74201d8"
    },
    {
      "string": "89883a5e-902e-439f-b966-dc096afe6ff9"
    }
] 

// corresponding schema 
{
      "name": "tags",
      "type": {
        "items": [
          "null",
          {
            "connect.name": "io.debezium.data.Uuid",
            "connect.version": 1,
            "type": "string"
          }
        ],
        "type": "array"
      }
}