ORA Database Error Messages ORA-15093: buffer only contains string bytes, I/O requested is string bytes September 11, 2015 mpbod ORA-15093: buffer only contains string bytes, I/O requested is string bytes Cause: The buffer supplied for write was too small to satisfy the request. Action: Correct the error and retry the operation. 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)