Exorbitantend erroneous bank charges .

I checked my credit card account on the 03 December 2020 and discovered that the Standard bank Credit Card division had deducted R30.37 for budget fee on the 09 November 2020. I telephoned the credit card division to enquire why there was a deduction for "budget " as I have not bought anything on " budget " for many years . Mr David Gabacoe asked me to hold while he did the enquiry . After a while he returned and said it was an error of the Standard Bank . He then explained that it was being investigated and I would recieve an answer by the 07 December 2020 . This is almost a month from the date of error ( 28 days ). This call took 30 minutes . How many other people has this been done to , without their knowledge ? And have they been refunded ? Or because they may not have checked their account , just continued .