****** and ****med my money

I've been saving money for myself and 3 children from 2018. Ive been savingR540.+R540 monthly for myself and R290 for 2 children and R270 for one. In 2020 R540 for myself and R290 for 1 child lapsed they gave me R4000 for myself and R4400 for my child from 2018 to 2020 now i cant save anymore they giving me 28. 000 from 2018 to 2021 please help im not happy with OldMutual Southgate branch