Hello I was on a server left it didnt let me rejoin so I sighned out of my minecraft profile and i try to sighn back in and it fails

Put the summary of the bug you're having here

What I expected to happen was...:
for me to log out then back in
What actually happened was...:
I logged out then i tried to log back in and it said: Unable to connect to servers. Make sure that you are online and that your minecraft is not blocked.(SunCertPathBuilderExeption:unable to find valid certification path to requested player)

Steps to Reproduce:
1. Tried to log out of a server to test something
2. ...Try and come back on the server fails says bad connection
3. ...I log out of my account and it says: Unable to connect to servers. Make sure that you are online and that your minecraft is not blocked.(SunCertPathBuilderExeption:unable to find valid certification path to requested player)