DRG Database Error Messages DRG-50603: unrecognized operation code string January 21, 2020 mpbod DRG-50603: unrecognized operation code string Cause: Bad operation code was encountered (reached switch default:) Action: check .h files versions 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)