Lumia 650 phone, how can I get my Whatsapps working properly?

[Windows Central Question]

Lumia 650 phone

Whilst in the o2 whatsapp was loaded up incorrectly by a member of staff entering my email address incorrectly. I cannot now upload any apps.
ANY HELP PLEASE

 

[Maurizio Troso]

Re: Lumia 650 phone

Whilst in the o2 whatsapp was loaded up incorrectly by a member of staff entering my email address incorrectly. I cannot now upload any apps.
ANY HELP PLEASE

Go to Settings -> My account and check it