Skungee Network Variables (Bungeecord)

[Cold]

Hello!
Recently I started using Bungeecord and I choose to use Skungee, but then I wanted to make network variables, so I could have my playtime skript add seconds, minutes and hours to the player no matter which server they were in. But then something weird happend cause I did exactly how it said on Docs but when I tried to return the Network Variable it just said the variable were <none>? I have asked many why and searched on google but it didn't give me any valuable information, and thats how i'm here... So if any of you out there knows a solution I would be really grateful if you could share it!

Here's the skript and the error which were send in the console:

command /playtime [<offline player>]:
    trigger:
        if arg-1 isn't set:
            send "&aYou have played %network variable {seconds::%player's uuid%}% seconds, %network variable {minutes::%player's uuid%}% minutes and %network variable {hours::%player's uuid%}% hours!"
            stop
        if network variable {hasjoined.%arg-1's uuid%} is true:
            send "&a%arg-1% have played %network variable {seconds::%arg-1's uuid%}% seconds, %network variable {minutes::%arg-1's uuid%}% minutes and %network variable {hours::%arg-1's uuid%}% hours!"
            stop
        else:
            send "&7%arg-1% haven't joined the server yet."
            stop

on join:
    set network variable {hasjoined.%player's uuid%} to true
    if network variable {seconds::%player's uuid%} isn't set:
        set network variable {seconds::%player's uuid%} to 0
    if network variable {minutes::%player's uuid%} isn't set:
        set network variable {minutes::%player's uuid%} to 0
    if network variable {hours::%player's uuid%} isn't set:
        set network variable {hours::%player's uuid%} to 0

every 1 second:
    loop all players:
        set network variable {seconds::%loop-player's uuid%} to network variable {seconds::%loop-player's uuid%} + 1
        if network variable {seconds::%loop-player's uuid%} is 60:
            set network variable {seconds::%loop-player's uuid%} to 0
            set network variable {minutes::%loop-player's uuid%} to network variable {minutes::%loop-player's uuid%} + 1
            if network variable {minutes::%loop-player's uuid%} is 60:
                set network variable {minutes::%loop-player's uuid%} to 0
                set network variable {hours::%loop-player's uuid%} to network variable {hours::%loop-player's uuid%} + 1