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    org.mule.umo.model.ModelException: The required object/property "UMO Descriptor" is null
        at org.mule.impl.model.AbstractModel.unregisterComponent(AbstractModel.java:188)
        at com.mirth.connect.server.controllers.MuleEngineController.unregisterChannel(MuleEngineController.java:562)
        at com.mirth.connect.server.controllers.MuleEngineController.deployChannels(MuleEngineController.java:177)
        at com.mirth.connect.server.Mirth.deployChannels(Mirth.java:222)
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