Recently started seeing this error on few of the Exadata environments. ORA–00600: internal error code, arguments:[KUTYXTTE_TRANSFORM:FAILED] As per metalink this is a known Bug 28194173 Patch 28194173: SQL ON 12.2 QUARANTINED AND CELL THROWING ORA-00600 [KUTYXTTE_TRANSFORM:FAILED] I’ve seen this in 12.2.