Failed to get MQ connection

Issue

• Cannot get any more connections to queue. Seeing:

  IJ000655: No managed connections available within configured blocking timeout (30000 [ms])
  

  Before that error we can see:

  | ERROR | [Thread: default-threads - 9] | JmsSenderImpl | MQ Exception
  com.ibm.mq.MQException: JMSCMQ0001: WebSphere MQ call failed with compcode '2' ('MQCC_FAILED') reason '2268' ('MQRC_CLUSTER_PUT_INHIBITED').
  at com.ibm.msg.client.wmq.common.internal.Reason.createException(Reason.java:209)
  at com.ibm.msg.client.wmq.internal.WMQMessageProducer.checkJmqiCallSuccess(WMQMessageProducer.java:1061)
  at com.ibm.msg.client.wmq.internal.WMQMessageProducer.checkJmqiCallSuccess(WMQMessageProducer.java:1019)
  at com.ibm.msg.client.wmq.internal.WMQMessageProducer.access$800(WMQMessageProducer.java:68)
  at com.ibm.msg.client.wmq.internal.WMQMessageProducer$SpiIdentifiedProducerShadow.sendInternal(WMQMessageProducer.java:819)
  at com.ibm.msg.client.wmq.internal.WMQMessageProducer$ProducerShadow.send(WMQMessageProducer.java:531)
  at com.ibm.msg.client.wmq.internal.WMQMessageProducer.send(WMQMessageProducer.java:1178)
  at com.ibm.msg.client.jms.internal.JmsMessageProducerImpl.sendMessage(JmsMessageProducerImpl.java:927)
  at com.ibm.msg.client.jms.internal.JmsMessageProducerImpl.send_(JmsMessageProducerImpl.java:783)
  at com.ibm.msg.client.jms.internal.JmsMessageProducerImpl.send(JmsMessageProducerImpl.java:446)
  at com.ibm.mq.jms.MQMessageProducer.send(MQMessageProducer.java:301)
  at com.ibm.mq.connector.outbound.MessageProducerWrapper.send(MessageProducerWrapper.java:226) 
  at my.company.service.sender.jms.JmsProducer.sendMessage(JmsProducer.java:98)