Dear Krzysztof,
Thank you for contacting us. We have thoroughly checked the issue and could not find any errors. Could you please provide us with screenshots similar to those in this topic https://www.8theme.com/topic/woocommerce-waitlist-incompatibility-for-single-products-part-2/ , as well as a link to the page where you are experiencing the issue?
This information will help us better understand the problem and provide you with the appropriate assistance.
Thank you for your cooperation. If you have any further questions or concerns, please do not hesitate to contact us.
Best regards, The 8Theme Team
