White Screen / Error adding to cart

[ziguesummer]

Good morning,

I got two problems:

1 - When I go into my account (FrontOficce) the screen is completely white

http://zigue.pt/s1/i...ller=my-account

2 When I go to add a product to cart the following error appears:

Impossible to add the product to the cart.
textStatus: 'parsererror'
errorThrown: 'SyntaxError: JSON.parse: unexpected character'
responseText:
{"products":[{"id":229,"link":"http:\/\/zigue.pt\/s1\/index.php?id_product=229&controller=product#\/servicos-sem_servicos","quantity":1,"image":"http:\/\/zigue.pt\/s1\/img\/p\/2\/9\/4\/294-home_default.jpg","image_cart":"http:\/\/zigue.pt\/s1\/img\/p\/2\/9\/4\/294-cart_default.jpg","priceByLine":"5,28 \u20ac","name":"Aro Frontal com Adesivo Iphone 4 Preto","price":"5,28 \u20ac","price_float":4.29,"idCombination":148,"idAddressDelivery":0,"is_gift":false,"hasAttributes":true,"attributes":"Sem Servi\u00e7os","hasCustomizedDatas":false,"customizedDatas":[]}],"discounts":[],"shippingCost":"0,00 \u20ac","shippingCostFloat":0,"wrappingCost":"0,00 \u20ac","nbTotalProducts":1,"total":"5,28 \u20ac","productTotal":"5,28 \u20ac","freeShipping":"0,00 \u20ac","freeShippingFloat":0,"hasError":false,"crossSelling":""}

 

Can anyone help me?

thank you