Activation failed using activation tree
I have used Activation Tree( https://docs.adobe.com/docs/en/cq/5-5/wcm/page_publish/tree_activate.html ), but sometimes activation is failed, due to the following exceptions
Error during processing: java.lang.IllegalStateException: Failed to retrieve path from Item: Error during processing: com.day.cq.replication.ReplicationException: Unable to create version for /path/to/page
As you see at first exception there is no concrete item.
What is possible reason of those exceptions?