Please help me to open my account

Hello im very dissaponted by capitec bank i went to the atm to withdraw R200 then it says invalid transaction i tried 4 times then i decided to go inside the branch i spoke to the consultant about the matter then she checked my account only to find out that is was put on hold she called at the head office they told her that my account is put on hold until further investigation coz im busy with a stockvel and i dont know nothing about the stockvel im just selling avon and vegetables and i used the account for savings and i dont have more than R1500 in my account why are they doing this im so worried and stressed please help me to open my account im trying to make a living selling something but my account is on hold and they said that my account is investigated by reserve bank. please help.