Zigbee binding throwing exception in syslog

noticed a few exceptions in my syslog today
am running 2.4 M5

karaf[948]: Exception in thread "pool-27-thread-26" java.lang.IllegalArgumentException: Value must be between 0 and 100
karaf[948]: #011at org.eclipse.smarthome.core.library.types.PercentType.validateValue(PercentType.java:58)
karaf[948]: #011at org.eclipse.smarthome.core.library.types.PercentType.<init>(PercentType.java:43)
karaf[948]: #011at org.openhab.binding.zigbee.internal.converter.ZigBeeConverterColorTemperature.convertKelvinToPercent(ZigBeeConverterColorTemperature.java:105)
karaf[948]: #011at org.openhab.binding.zigbee.internal.converter.ZigBeeConverterColorTemperature.attributeUpdated(ZigBeeConverterColorTemperature.java:176)
karaf[948]: #011at com.zsmartsystems.zigbee.zcl.ZclCluster$4.run(ZclCluster.java:834)
karaf[948]: #011at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
karaf[948]: #011at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
karaf[948]: #011at java.lang.Thread.run(Thread.java:748)
karaf[948]: Exception in thread "pool-27-thread-48" java.lang.IllegalArgumentException: Value must be between 0 and 100
karaf[948]: #011at org.eclipse.smarthome.core.library.types.PercentType.validateValue(PercentType.java:58)
karaf[948]: #011at org.eclipse.smarthome.core.library.types.PercentType.<init>(PercentType.java:43)
karaf[948]: #011at org.openhab.binding.zigbee.internal.converter.ZigBeeConverterColorTemperature.convertKelvinToPercent(ZigBeeConverterColorTemperature.java:105)
karaf[948]: #011at org.openhab.binding.zigbee.internal.converter.ZigBeeConverterColorTemperature.attributeUpdated(ZigBeeConverterColorTemperature.java:176)
karaf[948]: #011at com.zsmartsystems.zigbee.zcl.ZclCluster$4.run(ZclCluster.java:834)
karaf[948]: #011at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
karaf[948]: #011at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
karaf[948]: #011at java.lang.Thread.run(Thread.java:748)