Disregard of Clients finances and Children

the was a Debit Journal done on my account after i personally called Absa to notify the that was an error i got when i tried transferring money in to there account,i have been unemployed for the past 2 months and i just got my first pay check,tried paying my sons school fees just to find that there are no funds in my account becourse of ABSA taking money with out even trying to contact me i have been with ABSA for so long but it shows they dont even give a ass with my business i,m deeply hurt