Can you Delete this Email

[sebandf2]

Hello I setup a email account on my hosting account and it will not let me access or even delete it I get a error I need help with it I can always set up another one and work from there but if I do that I will then have 2 emails out of 3 and one not being usable at all please help me I uploaded a screenshot as a attachment

 

[sebandf2]

Okay so now I have another email same thing this one is sebastian@sebandfriends.ga I need removed or fixed please

 

[sebandf2]

I forgot to mention the server I am on and I probably need my username for login well here it is now Server: xo2 User: loswebsi