ORA Database Error Messages ORA-09771: osnmwrtbrkmsg: bad return code from msg_send July 24, 2015 mpbod ORA-09771: osnmwrtbrkmsg: bad return code from msg_send Cause: The msg_send sytem call failed while sending a Mach driver break. Action: Internal error. Contact your customer support representative. 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)