An error occured while trying to reactivate account

i had deactivated my domain and i want to reactivate it but its not activating its showing ( An error occured while trying to reactivate account ) please help me my whole website is there in that please there are many important things please as soon as possible
Link of screenshot

https://swap2cart.in/

swap2cart.unaux.com

https://ibb.co/Syv1kk5