ORA Database Error Messages ORA-13800: concurrent DDL failure on SQL repository objects August 24, 2015 mpbod ORA-13800: concurrent DDL failure on SQL repository objects Cause: A SQL repository object was the target of two concurrent DDL operations. Action: Check the current state of the object and retry the operation that failed. Back to previous menu Share this:Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pocket (Opens in new window)