ORA Database Error Messages ORA-07486: scg_get_inst: cannot convert(get) instance number lock July 15, 2015 mpbod ORA-07486: scg_get_inst: cannot convert(get) instance number lock Cause: lm_convert failed to get lock value. Action: Check result code in sercerrno. Possible lock manager failure. 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)