Hi I lost evidence letter I should have sent back in July.on the **St Aug I rang tax cr...

Hi I lost evidence letter I should have sent back in July.on the **St Aug I rang tax credits to ask about the evidence letter he replied to me saying it hasn't come from tax credits it must be from child benefit.he said I need yo do my renewal which was done over the phone. On the **nd I received a letter dated **th Aug saying my tax credit has stopped,I sent the evidence letter back on the **th Aug. On the app it says wait till Oct **th for response,I have no money coming in atm and can't afford to go any longer without paymemts, I can't afford to sent children to school I have no food,I dint know what to do because letters and the app confuse me,I only get £**.** a week to live on for myself and two children.could you advise me on what I can do to sort my tax credit payments out thankyou..my details kim hughes ja******c ps I have no other way to contact you due to no money for phone credit