Litespeed suddenly stops working. Message: Get expiry information failed! when trying to backup a (85602)

Litespeed suddenly stops working.
Message: 'Get expiry information failed!' when trying to backup a database or Transaction Log

The error in the Event Viewer states:

Failed to retrieve LiteSpeed version.
Message: Get expiry information failed!
.
Stack Trace: at Quest.LiteSpeed.DL.ScriptEngine.ExecuteDataAdapter(String script, Int32 connectionTimeoutInSeconds)
at Quest.LiteSpeed.DL.ScriptEngine.ExecuteDataAdapter(String script)
at Quest.LiteSpeed.PL.LiteSpeedEngineInfo.init()

Corruption in Litespeed engine

Run Instance Configuration and re-install the Litespeed Engine objects