Not user friendly app ,Capitec

I got new phone and transferred all my details from old phone to new phone ,all works 100% except Capitec online banking app for some reason it does not want to acivate since yesterday afternoon ,the only message i get is Sysem error try again ,i mean hpw is this possible ??? I have an account it takes my cell nr and account nr but does not want to activate, i can not go into the branch because i had an opperation and i am not allowed to drive, it is month end and i need to do transfers but the app shows system error