Grapesjs with Metamask Api

[kmlcnclk]

I am developing a project which user can create own nft marketplace design using Grapesjs. Other people can buy a nft on that design. I am gettiing an error like at image when i droped the first time nft item to the page,

When i dropped the second time nft item to the page, It is happening like in the image. Grapesjs didn't find Chrome Extension. Why these problems happening ? Can you help me ?

[artf]

Please provide a reproducible demo.