It says: "Twitch broadcasting Unvalable" "Unable to load libraries needed for the integrated Twitch broadcasting service"
Linked issues
duplicates
Comments
If you mean my Computer its a Mac OS X 1.6.8 but if you mean mc its the lastest version 1.7.10
(Late reply, suprisingly)
Your computer doesn't meet the requirements for Twitch streaming, which can be found here: https://help.mojang.com/customer/portal/articles/1374789-twitch-integration-in-minecraft
What's the operating system / version of the operating system?