Account frozen

Capitec has frozen my Account without doing a proper investigation ,I am a Stockvell holder I receive all the money’s and make payments now I don’t have access to my account I must pay people . I only find out that my account is not working when I try to buy electricity and withdraw money to go to the doctor and i went to the branch they said my Account is frozen.i want my account to be opened i use it to receive my salary and my daughters grant.