i need help logging in to servers

[anthony1031]

when I try to play on the crafting dead severs and servers for many other mod packs I am meet with this error

 

                                                                     Connection lost

                                                                 Failed to login: bad login

 

how can I fix this

[anthony1031]

I will appreciate any help possible thank you

[Munaus]

for crafting dead: go ask the modpack author

 

for Technic's official modpacks (Tekkit, Hexxit, Attack of the B-team): post a report on the Tracker after reading the Tracker Rules