NZE Database Error Messages NZE-28797: invalid key data type August 19, 2015 mpbod NZE-28797: invalid key data type Cause: The type specified for a key is not supported. Action: Correct the key type. Consult your Oracle documentation to determine which key types are supported. 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)