Perform a self-test to check the following components and make sure all the checks are passed succesfully.
PHP versionCheck if the current PHP version is supported for this module version.
CronjobCheck if cronjob is enabled and running.
EnableCheck if the extension is enabled in the configuration.
PHP extensionsCheck if all required PHP extensions are installed.
Magento VersionCheck if the current Magento version is supported for this module version.
Module versionCheck if a new extension version is available.