You can't be serious that your solution is to disable mod_security.
Request: POST /index.php?option=com_sppagebuilder&task=page.apply&pageId=8
Action Description: Access denied with code 500 (phase 2).
Justification: Pattern match "(insert[[:space:]]+into.+values|select.from.+[a-z|A-Z|0-9]|select.+from|bulk[[:space:]]+insert|union.+select|convert.+\(.from)" at ARGS:jform[text].
seems like you ought to be able to resolve this without making our servers vulnerable.