java.lang.NullPointerException: This exception has no message.

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at org.bson.codecs.configuration.ProvidersCodecRegistry.get(
at org.bson.codecs.configuration.ProvidersCodecRegistry.get(
at com.mongodb.connection.RequestMessage.getCodec(
at com.mongodb.connection.RequestMessage.addDocument(
at com.mongodb.connection.CommandMessage.encodeMessageBodyWithMetadata(
at com.mongodb.connection.RequestMessage.encodeWithMetadata(
at com.mongodb.connection.RequestMessage.encode(
at com.mongodb.connection.CommandHelper.sendMessage(
at com.mongodb.connection.CommandHelper.executeCommand(
at com.mongodb.connection.DefaultServerMonitor$ServerMonitorRunnable.lookupServerDescription(

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