ORA Database Error Messages ORA-01051: deferred rpc buffer format invalid June 1, 2015 mpbod ORA-01051: deferred rpc buffer format invalid Cause: The deferred rpc data in sys.def$_call is corrupted. Action: Contact your customer support representive. Back to previous menu https://support.oracle.com/ http://www.oracle.com/ 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)