Exception: Lucene.Net.Store.AlreadyClosedException: this IndexReader is closed

Questions
1

Hello

We are having the “Exception: Lucene.Net.Store.AlreadyClosedException: this IndexReader is closed” message very often. The page is only getting info from “Media” and displaying docs.
Anyone has any idea why?

Thanks

This is a companion discussion topic for the original entry at https://our.umbraco.com/forum/111944-exception-lucenenetstorealreadyclosedexception-this-indexreader-is-closed