I tried and same thing lol
You are doing something wrong, I was able to import it again. lol
Okay hmmm 🤔
Can you share how you are doing it
Open Blue Wallet Right away, click Import Wallet Switch over to Lnbits, choose LNDHUB located under Extensions back to blue wallet, click scan or import file scan ADMIN URL QR CODE with phone
I'll let you know if it works