prestashop 1.7 convert prestashop 1.6 payement module to prestashop 1.7

[ibtissamib]

hi, 

i need your help guys, actualy i have a prestashop 1.6 website that i want to upgrade to 1.7,  i did the upgrade, everything is good except the payement module.

it's perfictly instaled on the back office but the problem is that in the payement methodes on the front don't appear :( 

any help? i will be so thankfull