transforms.InsertField.type

transforms=InsertField
transforms.InsertField.type=org.apache.kafka.connect.transforms.InsertField$Value

[2020-10-02 18:34:27,508] ERROR Failed to start task test-smst-0 (org.apache.kafka.connect.runtime.Worker:560)
org.apache.kafka.connect.errors.ConnectException: org.apache.kafka.common.config.ConfigException: Unknown configuration 'transforms.InsertField.type'
        at org.apache.kafka.connect.runtime.ConnectorConfig.transformations(ConnectorConfig.java:296)
        at org.apache.kafka.connect.runtime.Worker.buildWorkerTask(Worker.java:605)
        at org.apache.kafka.connect.runtime.Worker.startTask(Worker.java:555)
        at org.apache.kafka.connect.runtime.standalone.StandaloneHerder.createConnectorTasks(StandaloneHerder.java:333)
        at org.apache.kafka.connect.runtime.standalone.StandaloneHerder.updateConnectorTasks(StandaloneHerder.java:359)
        at org.apache.kafka.connect.runtime.standalone.StandaloneHerder.lambda$null$3(StandaloneHerder.java:240)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.kafka.common.config.ConfigException: Unknown configuration 'transforms.InsertField.type'
        at org.apache.kafka.common.config.AbstractConfig.get(AbstractConfig.java:159)
        at org.apache.kafka.connect.runtime.SourceConnectorConfig$EnrichedSourceConnectorConfig.get(SourceConnectorConfig.java:57)
        at org.apache.kafka.connect.runtime.SourceConnectorConfig.get(SourceConnectorConfig.java:141)
        at org.apache.kafka.common.config.AbstractConfig.getClass(AbstractConfig.java:216)
        at org.apache.kafka.connect.runtime.ConnectorConfig.transformations(ConnectorConfig.java:281)
        ... 12 more