I have not used my Lebara Mobile for a while and it has now stopped working. Why is this?

Where You do not Recharge for a continuous period of 120 days following Your Activation or last Recharge of the Services in relation to the Lebara Standard Plan or where you do not purchase and redeem a Lebara Mega Plan, Lebara Mini Mega Plan or Lebara $29.90 Unlimited National Plan within 7 days after the end of your latest Plan period of use, the Agreement will terminate automatically and shall be deemed to be terminated by You.