[integrates] users are redirect to the template for 401 when confirm the invitation to a group
Summary
The users are redirected to page error401 with the group invitation link.
Steps to reproduce
Click the invitation link after 8 hours or 2 times.
What is the current bug behavior?
The page for 401 is shown on a token error.
What is the expected correct behavior?
Show a page related to the token/invitation error.
Relevant logs and/or screenshots
Possible fixes
Properly handle the possible errors with the invitation link.