Prestashop 1.7. : Warning: count(): Parameter must be an array or an object that implements Countable

I'm in DEV mode on PS and now i get this error. Its from my theme Amera, and laberstaticblocks are the ones that you move around the homepage.

what kind of error is this one? Warning: count(): Parameter must be an array or an object that implements Countable in labertaticblocks.php line 354 at labertaticblocks->hookdisplayHome(array('cookie' => object(Cookie), 'cart' => object(Cart), 'altern' => 2)) in Hook.php line 990

error

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