Paytm Mobile Solutions — paytm tide plus offer can't redeem

Address:	Jaipur, Rajasthan, 302019
Website:	paytm tide plus

I am bought a 1 kg tide plus and tide plus give offer of 30 rs cash payment on paytm
But when i login in paytm and enter tide plus code in paytm it show ("this offer can be used for a maximum of 1 time per user")
I want to know how this is possible i cant use that code

Who use that code

Offer code=qjhmjwgmaten