EOL = End of Life. It's dead, Jim. No longer supported. If you get this error in Azure Synapse, then your Apache Spark Pool worker is trying to load v2.4 (INSERT_VERSON_HERE, really... as I'm sure this'll happen in the future as the window rolls) which has been deleted. RUNTIME_CONFIGURATION_ERROR_VHDOVERRIDENOTFOUND: Livy session has failed. Session state: […]