eCitizen Pesaflow M-Pesa payment showing pending for 2 hours on passport application

Greetings team! A customer paid Ksh 7,550 for passport renewal via Paybill 206206 this morning at 10:15 AM. M-Pesa sent confirmation code QHB8392KL, but eCitizen invoice still displays 'Awaiting Payment' and cannot gener...