ORA Database Error Messages ORA-02826: Illegal block size July 1, 2015 mpbod ORA-02826: Illegal block size Cause: A negative number was given for the I/O block size to be used by the asynchronous I/O package. Action: This is a programming error – use either a positive number or zero to get the default value. 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)