Just for context from the previous discussion. The error seen is -:
2018-12-23 14:08:09.841 [ERROR] [org.openhab.binding.zigbee ] - FrameworkEvent ERROR - org.openhab.binding.zigbee
org.osgi.framework.BundleException: Could not resolve module: org.openhab.binding.zigbee [191]
Unresolved requirement: Import-Package: gnu.io
at org.eclipse.osgi.container.Module.start(Module.java:444) ~[?:?]
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1634) ~[?:?]
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1613) ~[?:?]
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.doContainerStartLevel(ModuleContainer.java:1585) ~[?:?]
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1528) ~[?:?]
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1) ~[?:?]
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) [?:?]
at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:340) [?:?]
This indicates that the serial feature is not installed after the backup. This is not linked to the ZigBee binding, or Telegesis dongle etc, but is an issue with the framework, or local configuration.