Fatal error: Uncaught Error: Class 'WP_Block_Parser' not found in /home/.sites/365/site1970/web/wp-content/plugins/woocommerce/packages/email-editor/src/Engine/Renderer/ContentRenderer/class-blocks-parser.php:16
Stack trace:
#0 {main}
  thrown in /home/.sites/365/site1970/web/wp-content/plugins/woocommerce/packages/email-editor/src/Engine/Renderer/ContentRenderer/class-blocks-parser.php on line 16