Probably the solution for a ship2pay aeuc problem

Hook.php

<?php
class Hook extends HookCore
{
    /*
    * module: shiptopay
    * date: 2015-11-09 21:58:42
    * version: 2.0
    */
    public static function getHookModuleExecList($hook_name = null)
    {
        $context = Context::getContext();
        if (isset($context->cart)) {
            if (isset($context->cart->id_carrier) && (int)$context->cart->id_carrier == 0) {
                $carrier_id = (int)(Configuration::get('PS_CARRIER_DEFAULT'));
            }else{
                $carrier_id = $context->cart->id_carrier;
            }    
        }
        $cache_id = 'hook_module_exec_list_'.(isset($context->shop->id) ? '_'.$context->shop->id : '' ).((isset($context->customer)) ? '_'.$context->customer->id : '');
        if (!Cache::isStored($cache_id) || $hook_name == 'displayPaymentEU' || $hook_name == 'displayBackOfficeHeader')
        {
            $frontend = true;
            $groups = array();
            $use_groups = Group::isFeatureActive();
            if (isset($context->employee))
                $frontend = false;
            else
            {
                if ($use_groups)
                {
                    if (isset($context->customer) && $context->customer->isLogged()) {
                        $groups = $context->customer->getGroups();
                    } elseif (isset($context->customer) && $context->customer->isLogged(true)) {
                        $groups = array((int)Configuration::get('PS_GUEST_GROUP'));
                    } else {
                        $groups = array((int)Configuration::get('PS_UNIDENTIFIED_GROUP'));
                    }
                }
            }
            
            $sql = new DbQuery();
            $sql->select('h.`name` as hook, m.`id_module`, h.`id_hook`, m.`name` as module, h.`live_edit`');
            $sql->from('module', 'm');
            if ($hook_name != 'displayBackOfficeHeader') {
                $sql->join(Shop::addSqlAssociation('module', 'm', true, 'module_shop.enable_device & '.(int)Context::getContext()->getDevice()));
                $sql->innerJoin('module_shop', 'ms', 'ms.`id_module` = m.`id_module`');
            }
            $sql->innerJoin('hook_module', 'hm', 'hm.`id_module` = m.`id_module`');
            $sql->innerJoin('hook', 'h', 'hm.`id_hook` = h.`id_hook`');
            if ($hook_name != 'displayPaymentEU') {
                $sql->where('h.name != "displayPaymentEU"');
            }
            // For payment modules, we check that they are available in the contextual country
            elseif ($frontend) {
                if(Module::getInstanceByName('shiptopay')->active) {
                    $sql->innerJoin('shiptopay', 'stp', 'stp.`id_payment` = m.`id_module` AND stp.`id_carrier` = ' . $carrier_id . ' AND stp.`id_shop` = ' . (int)$context->shop->id);
                }
                if (Validate::isLoadedObject($context->country)) {
                    $sql->where('(h.name = "displayPaymentEU" AND (SELECT id_country FROM '._DB_PREFIX_.'module_country mc WHERE mc.id_module = m.id_module AND id_country = '.(int)$context->country->id.' AND id_shop = '.(int)$context->shop->id.' LIMIT 1) = '.(int)$context->country->id.')');
                }
                if (Validate::isLoadedObject($context->currency)) {
                    $sql->where('(h.name = "displayPaymentEU" AND (SELECT id_currency FROM '._DB_PREFIX_.'module_currency mcr WHERE mcr.id_module = m.id_module AND id_currency IN ('.(int)$context->currency->id.', -1, -2) LIMIT 1) IN ('.(int)$context->currency->id.', -1, -2))');
                }
            }
            if (Validate::isLoadedObject($context->shop)) {
                $sql->where('hm.id_shop = '.(int)$context->shop->id);
            }
            if ($frontend) {
                if ($use_groups) {
                    $sql->leftJoin('module_group', 'mg', 'mg.`id_module` = m.`id_module`');
                    if (Validate::isLoadedObject($context->shop)) {
                        $sql->where('mg.id_shop = '.((int)$context->shop->id).(count($groups) ? ' AND  mg.`id_group` IN ('.implode(', ', $groups).')' : ''));
                    } elseif (count($groups)) {
                        $sql->where('mg.`id_group` IN ('.implode(', ', $groups).')');
                    }
                }
            }
            $sql->groupBy('hm.id_hook, hm.id_module');
            $sql->orderBy('hm.`position`');
            $list = array();
            if ($result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($sql)) {
                foreach ($result as $row) {
                    $row['hook'] = strtolower($row['hook']);
                    if (!isset($list[$row['hook']]))
                        $list[$row['hook']] = array();
                    $list[$row['hook']][] = array(
                        'id_hook' => $row['id_hook'],
                        'module' => $row['module'],
                        'id_module' => $row['id_module'],
                        'live_edit' => $row['live_edit'],
                    );
                }
            }
            if ($hook_name != 'displayPaymentEU' && $hook_name != 'displayBackOfficeHeader') {
                Cache::store($cache_id, $list);
                self::$_hook_modules_cache_exec = $list;
            }
        } else {
            $list = Cache::retrieve($cache_id);
        }
        if ($hook_name) {
            $retro_hook_name = strtolower(Hook::getRetroHookName($hook_name));
            $hook_name = strtolower($hook_name);
            $return = array();
            $inserted_modules = array();
            if (isset($list[$hook_name])) {
                $return = $list[$hook_name];
            }
            foreach ($return as $module) {
                $inserted_modules[] = $module['id_module'];
            }
            if (isset($list[$retro_hook_name])) {
                foreach ($list[$retro_hook_name] as $retro_module_call) {
                    if (!in_array($retro_module_call['id_module'], $inserted_modules)) {
                        $return[] = $retro_module_call;
                    }
                }
            }
            return (count($return) > 0 ? $return : false);
        } else {
            return $list;
        }
    }
}