Bidvest - SARB Mandate Failed with Correct Details

After using the same banking account details for over three years, none of my details has changed, but unable to transfer funds from Wise with the correct information. No help when calling and no response on email to resolve the issue. This happens to hundreds of people including myself, how can we all pay our bills on time and feed our families. CAN YOU PLEASE ASSIST US!!!!!!! YOUR KIND OF SERVICE IS TOTALLY UNACCEPTABLE!!!!!!!