I'm not able to update the thumbnail of a collection

💻 Environment/Context

• Collection
• Thumbnail
• Error message
• Cover is not updating

❓ Issue/Question

• Trying to change a thumbnail of a collection, getting an error message
• I changed a thumbnail of a collection but it is not updating.

👌 Resolution/Answer

• If changing the cover via Edit thumbnail – From media library doesn’t work, please follow the workaround below: 
  • Set the cover directly from the media itself.

🔖 Notes 

• How to change the collection cover? 
• I update the collection thumbnail by importing, but nothing happens