Salliemae says no more options & co-signer involved

Hi I found this forum while desparately googling for help and I hope that I can find some here or atleast solidarity and words of encouragment. This month my very last allowed deferment expires and I have to pay the monthly payment at the end of the month. I am doing my Masters in Germany and I called Salliemae to tell them about my situation and to find out what options I have. I have been dealing with them since 2008 when I finished my Bachelors and I have done deferment, I have done forbearance, I have paid when I could, and I have even been delinquent a few days because Salliemae couldn't get their act together with getting paperwork done on time for a Forbearance and then refused to erase the delinquent status. They told me I have no other options. I had no idea there was a limit on the number of times you could do a financial hardship forbearance. How can they limit the number of times a student isn't financially able to pay? So I asked what are my options now. I spoke with two different people and the final verdict was 45 days after the date of repayment I will get sent to the creditors. I wouldn't be so upset about this but my mother signed my very first loan for my Bachelors because I didn't have enough credit yet and this means she will go down with me. I have read around about co-signors, etc. and is there anything that can save my mom? It is just not right that she has to go down because I chose to give into this unjust system. Well I didn't realize until now that it is unjust. I really do not want my mother to have to be penalized for me trying to further my education and not being able to make a monthly payment and Salliemae wiping their hands of the situation. Is there any loophole, anything I can do to save and protect my mother? Any suggestions, comments, would be very helpful and I would appreciate it grately.