Incorrect automated Credit Card monthly statement

For the pass 3 months I have been receiving the incorrect Credit Card statements. The second month when it happened, I called to bring this under the Credit Card divisions attention and asked for an investigation into the matter, I was only issued a \duplicate"statement and nothing more after great difficulty trying to get the call center agent to understand the nature of the problem. I have now received another persons statement again. I have send mails to the following addresses: [Email Removed] and [Email Removed] the last being on the 31 July 2015. I have the following ref no's"