Fatal error: Uncaught Error: Undefined constant WooCommerce_PostFinanceCheckout::POSTFINANCECHECKOUT_CK_SPACE_ID in /home/httpd/vhosts/svapolab.ch/winos.store/wp-content/plugins/woo-postfinance-checkout/includes/class-wc-postfinancecheckout-blocks-support.php:41
Stack trace:
#0 /home/httpd/vhosts/svapolab.ch/winos.store/wp-content/plugins/woocommerce/src/Blocks/Integrations/IntegrationRegistry.php(53): WC_PostFinanceCheckout_Blocks_Support->initialize()
#1 /home/httpd/vhosts/svapolab.ch/winos.store/wp-includes/class-wp-hook.php(310): Automattic\WooCommerce\Blocks\Integrations\IntegrationRegistry->initialize('')
#2 /home/httpd/vhosts/svapolab.ch/winos.store/wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters(Object(WPMailSMTP\Tasks\Tasks), Array)
#3 /home/httpd/vhosts/svapolab.ch/winos.store/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#4 /home/httpd/vhosts/svapolab.ch/winos.store/wp-settings.php(632): do_action('init')
#5 /home/httpd/vhosts/svapolab.ch/winos.store/wp-config.php(76): require_once('/home/httpd/vho...')
#6 /home/httpd/vhosts/svapolab.ch/winos.store/wp-load.php(50): require_once('/home/httpd/vho...')
#7 /home/httpd/vhosts/svapolab.ch/winos.store/wp-blog-header.php(13): require_once('/home/httpd/vho...')
#8 /home/httpd/vhosts/svapolab.ch/winos.store/index.php(17): require('/home/httpd/vho...')
#9 {main}
  thrown in /home/httpd/vhosts/svapolab.ch/winos.store/wp-content/plugins/woo-postfinance-checkout/includes/class-wc-postfinancecheckout-blocks-support.php on line 41