Fatal error: Uncaught Error:

When I adtive the plugin woocommerce, it shows FATAL ERROR as followed:

Fatal error: Uncaught Error: Call to undefined function putenv() in /www/wwwroot/hmhealth.cn/wp-content/plugins/woocommerce/includes/class-wc-regenerate-images-request.php:37 Stack trace: #0 /www/wwwroot/hmhealth.cn/wp-content/plugins/woocommerce/includes/class-wc-regenerate-images.php(49): WC_Regenerate_Images_Request->__construct() #1 /www/wwwroot/hmhealth.cn/wp-includes/class-wp-hook.php(307): WC_Regenerate_Images::init() #2 /www/wwwroot/hmhealth.cn/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters() #3 /www/wwwroot/hmhealth.cn/wp-includes/plugin.php(476): WP_Hook->do_action() #4 /www/wwwroot/hmhealth.cn/wp-settings.php(598): do_action() #5 /www/wwwroot/hmhealth.cn/wp-config.php(96): require_once('...') #6 /www/wwwroot/hmhealth.cn/wp-load.php(50): require_once('...') #7 /www/wwwroot/hmhealth.cn/wp-admin/admin.php(34): require_once('...') #8 /www/wwwroot/hmhealth.cn/wp-admin/index.php(10): require_once('...') #9 {main} thrown in /www/wwwroot/hmhealth.cn/wp-content/plugins/woocommerce/includes/class-wc-regenerate-images-request.php on line 37

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