NO Account - harrasment

Dear Standardbank I do not have an account with you. Please ask Lynne Maine attorneys to stop contacting me. I have request numerous times off proof off this account, wich untill today i have not received. I had an account with STB more than 7 years ago, and now after all this time you want to tell me that I owe you money?? money For????? According to my knowledge, Debt perscribes after 3 years? still dont know what money according to you I owe, also I HAVE NEVER HAD A PHONE CALL FROM STANDARDBANK, only from this Lynne Maine attorneys Why will you be contacting me after all this time?