Currency Won`t change on presta 1.5 and some error on presta 1.6

[deijulian97]

my currency won`t change to IDR, i`ve add new currency and following the instruction how to add the new currency but still the currency won`t change. I`ve upgrade the presta ver to 1.6 ver, the currency can change but the featured product at my hompage doesn`t showing also the lastest product and the price become zero and same when i change the language the featured product and lastest product not showing at my homepage also my page content missing in presta 1.6 when i want to edit the CMS

 

hope someone can help me, since i`m new to prestashop