Can't join player's server while on same network

We are unable to diagnose your issue due to the lack of proper debug information. Please review the guidelines before reporting issues.
In case of a game crash, please also attach the crash log from [minecraft/crash-reports/crash-<DATE>-client.txt|http://hopper.minecraft.net/help/finding-minecraft-data-folder].

-- I am a bot. This action was performed automagically!

This is a technical support issue; this site is for bug reports only. For technical support please use the Mojang Support Center.