Check the website for compliance with Merchant Center

We have encountered an error 5 or 6 times, and we cannot pass moderation.
In attempts to find out what the problem is - only standard responses: 
"

What to do

• Check if you have correctly specified the domain name in Google Merchant Center.
• Make sure there are no inactive links on the website.
• Ensure that the website does not use placeholders for text or images.
• Make sure that the detailed information about the products and their categories on the website matches what is specified in the data feed.
• Ensure that the information on the website is comprehensive and pertains to your store and products. In particular, the return and/or refund page must contain accurate information related to your company, not general information.
• Make sure that the website provides complete and accurate information about your company.
• Ensure that the website lists a verified phone number and address for your company."

IMPORTANT! You need to check the merchant center and the website, understand why there is a restriction, and pass the merchant verification. 
https://slush-planet.com.ua/ - this is the website, it is on good terms. 
!!! The task will be considered completed when the error is removed from the merchant.