Warning Suspected ************ sending SMS to advise they have lodged Debit of R99.....

I received an SMS today from an unknown Source telling me that AATrading (never heard of ) had lodged a debit of R99 to my account.... WARNING DO NOT EVEN THINK ABOUT DEBITING MY ACCOUNT !!! Never ever heard of you and your suspicious phone number is either busy or The Subscriber you have dialled is not available...I believe you are ************ !!! You have been warned !!!