You may receive the below error when trying to add the block(s) to the home/products page (and others) via your Admin panel:
Left Column Width is required
Middle Column Width is required
Right Column Width is required
We will recommend you to contact your hosting provider and ask him to increase the values of the below directives to at least 400 (they are to be found in the suhosin module) on your server:
suhosin.request.max_vars
suhosin.cookie.max_vars
suhosin.get.max_vars
suhosin.post.max_vars