please i need help with this theme, if nothing can be done then i need a refund. My website has just become soo slow out of a sudden; Am trying to export my products created but they keep sendiny me to my blog post page. Please i really do need help with this

nothing seems to work still, seems it has instead worsen the situation, I just did increase the SubstituteMaxLineLength,

by adding the code below in my .htaccess file

<IfModule mod_substitute.c>
SubstituteMaxLineLength 10M
</IfModule>