Card declined issue

hello @alpocr
how are you ?
why 4geeks decline ratio increase even customer will authorize from bank i dont know why please upgrade this method also when otp send to customer phone the otp was not send on time i dont know why kindly please review this issue as you can see in this photo my all sales decline continuously 4geeks is very good i always use this gateway but now a days i think the gateway having trouble thanks please review this