append two invitation_token keys in invitation url

[anand-rajput]

/users/invitation/accept?invitation_token=mNTJW_yyeyQpx6Ncs-17?invitation_token=mNTJW_yyeyQpx6Ncs-17

[scambra]

Have you changed mailer view? Default mailer view uses accept_invitation_url(@resource, :invitation_token => @token), I don't understand how rails may add token twice.
https://github.com/scambra/devise_invitable/blob/master/app/views/devise/mailer/invitation_instructions.html.erb#L5

[anand-rajput]

Yes, I used this in mailer view ...

<a href="<%= accept_invitation_url(@resource, :invitation_token => @token) %>