Thanks, it works flawlessly now and also in latest version of prestashopthere is a problem with the module that will be resolved in the next version
when you go to add difererent invoice address in the checkout
bad toker appears
here is the solution for now go and replace
onepagecheckoutps.js
in
/modules/onepagecheckoutps/views/js/front/onepagecheckoutps.js
with the fixed file i upload here
i am uploading the module again fixed