There is a known issue were users can't type on the iPad version of Makers Empire when there is an external keyboard plugged in, like a Logitech Rugged Combo Case.
We are actively investigating this issue but we have found that updating the iPad to iPadOS 27 has found success in solving this issue.
If you need to know how to update your iPad, please follow this official guide from Apple:
https://support.apple.com/en-au/guide/ipad/ipad9a74c576/ipados