Citibank Debt Collection Complaint

Citibank Debt collection department,

Credit card Taking/threatening an illegal action Threatened to sue on too old debt New York

Today I contacted - - - - and informed that the debt in question had been charged off in -/-/-.I do not see this debt even listed on my credit report as well as no public record. I was originally taken to court back in -/-/- and because I was on ssi the bank wrote the original debt off.