It could be because of: You didn't enter the OTP code into the Codashop payment page in time (if using the Direct Carrier Billing payment method), or. The Codashop system did not receive your payment during the session time (if using Bank Transfer/E-Wallet/Convenience Store payment method).

CODASHOP IS Legit ! (confirmed by CS) Genshin Impact | HoYoLAB.