ORA Database Error Messages ORA-07473: snclrd: read error when trying to read sgadef.dbf file July 15, 2015 mpbod ORA-07473: snclrd: read error when trying to read sgadef.dbf file Cause: Read had an error when reading sgadef.dbf file. Action: Check errno. Verify file exists, and is correct size. 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)