I can not open the room from invitation email by the function of menu "Contacts and messages"

[原田 達明]

Hi everyone,

I can not open the meeting room from invitation email, which was created by
the function of menu "Contacts and messages".

But it work fine with invitation email which was created by
the function of menu "Calendar".

Please teach me how to fix it.
Thank you for any advice.

NgMDat.