我在magento 2上安装ingenico epayments时遇到问题。该文档建议使用作曲家(ingenico doc(进行安装，但我无法修复"作曲家需要ingenico/ingenico_epayments_ogn2：3.3.1"之后的以下错误：
Your requirements could not be resolved to an installable set of packages.
Problem 1
- Installation request for ingenico/ingenico_epayments_ogn2 3.3.1 -> satisfiable by ingenico/ingenico_epayments_ogn2[3.3.1].
- ingenico/ingenico_epayments_ogn2 3.3.1 requires ingenico/library-ops-m2 ~3.3.0 -> no matching package found.
Potential causes:
- A typo in the package name
- The package is not available in a stable-enough version according to your minimum-stability setting
see <https://getcomposer.org/doc/04-schema.md#minimum-stability> for more details.
- It's a private package and you forgot to add a custom repository to find it
Read <https://getcomposer.org/doc/articles/troubleshooting.md> for further common problems.
Installation failed, reverting ./composer.json to its original content.
我还尝试使用 magento 2 安装向导安装模块。但是"检查 cron 脚本"和"检查组件依赖关系"的准备情况检查失败
我确定了造成问题的 cron(更新(，当我手动执行它时，我遇到了此错误："/usr/bin/php/var/www/html/update/cron.php">
PHP Warning: require_once(/var/www/html/update/vendor/autoload.php): failed to open stream: No such file or directory in /var/www/html/update/app/bootstrap.php on line 15
PHP Stack trace:
PHP 1. {main}() /var/www/html/update/cron.php:0
PHP 2. require_once() /var/www/html/update/cron.php:7
PHP Fatal error: require_once(): Failed opening required '/var/www/html/update/vendor/autoload.php' (include_path='.:/usr/share/php') in /var/www/html/update/app/bootstrap.php on line 15
PHP Stack trace:
PHP 1. {main}() /var/www/html/update/cron.php:0
PHP 2. require_once() /var/www/html/update/cron.php:7
这是因为供应商文件夹不在更新文件夹中，而是在根目录中。
感谢您的帮助！
使用以下方式安装此模块，并使用同时具有文件夹zip(库和扩展名(的软件包
composer config repositories.ingenico artifact /path/to/folder/with/package/
composer require ingenico/ingenico_epayments_ogn2
composer update