collector.log error java.lang.RuntimeException: Message count '62' > max message count '16'

Does anyone know what this error means and how to fix it? I do not see this setting anywhere ...

2016-03-22 13:17:46,037 [HTTP Sender - 1] ERROR com.sumologic.scala.collector.CommonsHTTPSender - Error while sending pile
java.lang.RuntimeException: Message count '62' > max message count '16'
    at com.sumologic.scala.collector.CommonsHTTPTransmitter.com$sumologic$scala$collector$CommonsHTTPTransmitter$$processResponseMessages(CommonsHTTPTransmitter.scala:247)
    at com.sumologic.scala.collector.CommonsHTTPTransmitter$$anonfun$executeRequest$1.apply$mcZ$sp(CommonsHTTPTransmitter.scala:145)
    at com.sumologic.scala.collector.CommonsHTTPTransmitter$$anonfun$executeRequest$1.apply(CommonsHTTPTransmitter.scala:110)
    at com.sumologic.scala.collector.CommonsHTTPTransmitter$$anonfun$executeRequest$1.apply(CommonsHTTPTransmitter.scala:110)
    at nl.grons.metrics.scala.Timer.time(Timer.scala:44)
    at com.sumologic.util.scala.Metrics$class.withGlobalTimer(Metrics.scala:128)
    at com.sumologic.scala.collector.CommonsHTTPTransmitter.withGlobalTimer(CommonsHTTPTransmitter.scala:63)
    at com.sumologic.util.scala.Metrics$class.withOrganizationTimer(Metrics.scala:89)
    at com.sumologic.scala.collector.CommonsHTTPTransmitter.withOrganizationTimer(CommonsHTTPTransmitter.scala:63)
    at com.sumologic.util.scala.Metrics$class.time(Metrics.scala:34)
    at com.sumologic.scala.collector.CommonsHTTPTransmitter.time(CommonsHTTPTransmitter.scala:63)
    at com.sumologic.scala.collector.CommonsHTTPTransmitter.executeRequest(CommonsHTTPTransmitter.scala:109)
    at com.sumologic.scala.collector.CommonsHTTPTransmitter.sendBytes(CommonsHTTPTransmitter.scala:467)
    at com.sumologic.scala.collector.CommonsHTTPTransmitter.writeArray(CommonsHTTPTransmitter.scala:415)
    at com.sumologic.scala.collector.CommonsHTTPSender$SendWorker$$anonfun$sendOut$1.apply$mcV$sp(CommonsHTTPSender.scala:233)
    at com.sumologic.scala.collector.CommonsHTTPSender$SendWorker$$anonfun$sendOut$1.apply(CommonsHTTPSender.scala:225)
    at com.sumologic.scala.collector.CommonsHTTPSender$SendWorker$$anonfun$sendOut$1.apply(CommonsHTTPSender.scala:225)
    at nl.grons.metrics.scala.Timer.time(Timer.scala:44)
    at com.sumologic.util.scala.Metrics$class.withGlobalTimer(Metrics.scala:128)
    at com.sumologic.scala.collector.CommonsHTTPSender.withGlobalTimer(CommonsHTTPSender.scala:39)
    at com.sumologic.util.scala.Metrics$class.withOrganizationTimer(Metrics.scala:89)
    at com.sumologic.scala.collector.CommonsHTTPSender.withOrganizationTimer(CommonsHTTPSender.scala:39)
    at com.sumologic.util.scala.Metrics$class.time(Metrics.scala:34)
    at com.sumologic.scala.collector.CommonsHTTPSender.time(CommonsHTTPSender.scala:39)
    at com.sumologic.scala.collector.CommonsHTTPSender$SendWorker.sendOut(CommonsHTTPSender.scala:225)
    at com.sumologic.scala.collector.CommonsHTTPSender$SendWorker.run(CommonsHTTPSender.scala:184)
    at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
    at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
    at java.util.concurrent.FutureTask.run(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)