This appears to be a packaging design issue where someone did not catch the Gluten Free statement on the side of product, although it is clearly stated in the ingredient statement.
https://www.fda.gov/safety/recalls-market-withdrawals-safety-alerts/issue-gluten-free-labeling-cedar-creek-popcorn-box-containing-gluten
Issue With “Gluten Free” Labeling on Cedar Creek Popcorn Box Containing Gluten
Summary
Company Announcement Date: October 28, 2022
FDA Publish Date: November 01, 2022
Product Type: Food & Beverages Snack Food Item
Reason for Announcement: Undeclared Wheat
Company Name: Cedar Creek Popcorn
Brand Name: Cedar Creek Popcorn
Product Description: Old-Fashioned Caramel Holiday Popcorn Box
Issue With “Gluten Free” Labeling on Cedar Creek Popcorn Box Containing Gluten
Summary
Company Announcement Date: October 28, 2022
FDA Publish Date: November 01, 2022
Product Type: Food & Beverages Snack Food Item
Reason for Announcement: Undeclared Wheat
Company Name: Cedar Creek Popcorn
Brand Name: Cedar Creek Popcorn
Product Description: Old-Fashioned Caramel Holiday Popcorn Box