Unlocking all factions Barbarian Invasion

[Omanes Alexandrapolites]

You appear to be missing the tab in from of each faction. It should look like this:

; Custom campaign script generated by Romans Campaign Map Editor

campaign        barbarian_invasion
options bi
playable
    huns
    goths
    sarmatians
    vandals
    franks
    saxons
    alemanni
    sassanids
    empire_east
    empire_west
    celts
    burgundii
    lombardi
    roxolani
    berbers
end
unlockable
end
nonplayable
    romano_british
    ostrogoths
    slavs
    empire_east_rebels
    empire_west_rebels
    slave
end

To fix your problem you need to press the tab key infront of every faction's name. If you still struggle then you can PM me your e-mail address and I will send you a working copy of my file so that you can overwrite your existing one. Good luck.