loan query

I got a loan last year and this year have been trying to get assistance from african bank to assist me with the monthly installment as right now the current monthly installment set i cannot not afford to pay it, i have been trying to contact the call centre and getting no assistance up to today its been a year since i've had this load all i was asking is to get assistance and we come to an agreeable monthly payments which will be affordable for me to pay but one has even bothered to conntact me