Prestashop work /./././

Hello //////////////////////////////////////// ///////////////////////////////////////// //////////////////////////////////////// I have a module that is causing problems and errors. It's onepagecheckoutps. This is version 1 and I have version 2, but it gives us errors when trying to update it and keep prestashop. so again--> Fix onepagecheckout module. It is in the old version, and gives errors when updating. Leave this module working correctly on the web