ISSUE SUMMARY:
When I am login or log out in my community, there is a message is appear in the page, I show a picture. I don't know how it get there.

EXPECTED RESULT
Please help me to remove it and tell me what it is as well.

Thanks

Hi,

please check it. I did it for you.
you need to changing the jomsocial redirect plugin settings. and clear joomla cache.

Regards