day lite robery

i had a loan with Capitec some years back, then they handed me over to these bustard they deducted R4200 i paid that throught the emplyer (GARNISH) this month they came back again to my paysli same amount same deductions of R200 every month. when you ask them they dont give you a proper reason. also what i dont understand the initial amount was R2000 now am paying R6000 more. day light *******