OK I see the error. It is a row size error in mysql as you suggested earlier, error: 1118
Here is a thread that appears to have several suggestions for how it might be fixed.
http://stackoverflow.com/questions/22637733/mysql-error-code-1118-row-size-too-large-8126-changing-some-columns-to-te
Your page is fine, it is going to mean making changes to the database or php.ini file not the update code itself.