pioneer credit pioneer credit recovery Liars at pioneer credit recovery new york Nationwide

My student loans fell into default and was place in the hands or pioneer recovery they started garnishing my wages, and they were calling everyday every minute of the hour. so they told me about this 9 month vouluntary payment program were they would stop garnishing my wages get me out of default so i agreed to that.  now that i've made the payments.  my last payment was supposed to be in november 15,2014, just send them my check stubs which i did and they keep telling me they have'nt received so i kept faxing them 5xs then finally on december 19th they tells me oh we just got your fax now we need you to send in another payment im like what payment my last payment was back in november so they telling me if i dont make a payment which im broke now theres a deadline and you have to start this program back over again for nine more months with the garnishing your wages, taking your income taxes. i dont know how to stop these people i need some advice and help.