Error [me.storage.json.internal.JsonStorage]

[Ahmed_Saad]

Can Any one know this error meaning?

2018-12-29 05:54:09.100 [ERROR] [me.storage.json.internal.JsonStorage] - Couldn't deserialize value 'org.eclipse.smarthome.storage.json.internal.StorageEntry@c7eb6d'. Root cause is: Unable to invoke no-args constructor for interface org.eclipse.smarthome.automation.Rule. Register an InstanceCreator with Gson for this type may fix this problem.

[sihui]

@Ahmed_Saad

Register an InstanceCreator with Gson for this type may fix this problem.

Are you using the Experimental Rules Engine? Then take a look at:

Experimental Rules Engine - How to delete or recover rules from OH2.3 (stable) within OH2.4 (stable)

After updating my OpenHAB setup from 2.3 (stable) to 2.4 (stable), all my rules inside the experimental ruled engine seems to be deleted. I found out that there was a change that caused this behaviour. (see https://github.com/eclipse/smarthome/issues/5884) Is there any chance to recover my old rules? And if not (what I assume): How can I delete my old rules? I see that they are still somewhere inside OpenHAB (due to error messages during startup) …