Unable to login my o2 app

https://sim-aktivieren.o2online.de/

Unfortunately i am getting this error

what kind of contract did you order?

9.9euro per month contract, currently i have 30 euros recharges can you please activate this pack

where did you buy this?

Previously i used to recharge in mein o2 app, from last 3 days i am unable to login, so i did topup 30euros in o2 shop still the pack is not activated

write an SMS 5667 with START o2PrepaidS

to which number i need to sms?

5667

Yea Sent, how soon i except response from them?

a few minutes.

Still no response yet

did i need to send request one more time?

you can resend it.

Done, After sending wll i receive any response? 

Still no luck, Can you please help me on this

Hi Team

Can you pleaase help me on this issue

Good morning ​@Manoj a 😊

It's great to hear from you again with your question - welcome back.

We're glad that Bumer was able to help you quickly.

Did you receive a response to the text messages you sent to 5667?

Are you able to log back into our app now?

Unfortunately i didnt received any help

Who didn't help you? 🤔

Hello ​@Manoj a 

Are you still having trouble logging in? From the screenshot, it looks like you want to register again. Try logging in here → Mein o2 Login

Have you received any feedback about the package booking, at least via text message?

Kind regards, Rebecca