Same here with male char. Friends female char is working.
Server: Asta
Character Name: Herbertheilemann
@Domex So in order for it to work, you have to complete a quest on an alt that give 800 armor mat T2, and life fragments ?..
Was hoping the hotfix did something lol…but nope!
Same issue here. Challenge only completes if you did the quest on a female character.
Server - Una
Character - Vez
I’ve contacted the support, they’ve told the dev about it, guess they’ll try to fix it asap
Same issue here.
Server - Kadan
Character - Zio
I was able to do it on both my male and female character, got the T2 materials from the questline itself on both and went on my main (male) and claimed the Welcome Challenge T2 mats on him
Same issue here
NA EAST - SERVER AVESTA
IN GAME NAME - Stupotato
Not actually too bad just make a female alt. You get to do the quests again and all the T2 rewards are roster bound so you can just give them to your main
island quests are roster quests^
Same issue here
NA WEST - SERVER MARI
IN GAME NAE - Kimoti
Bumping this till we at least get feedback saying they’re working on fixing it. This is honestly a joke that it’s not been fixed yet.
og dont even know what have they done in the last maintenance, servers are still shit, none of the bugs are fixed.
hope they get it fixed during this maint.
Those mats are bound to roster you can just put them in storage and take on main. And claim the welcom challenge also on main.
Sucks cuz most of us have completed the quest already on a male character, so we can’t even attempt to complete the quest on a female character to transfer mats through roster 
Same issue.
Eu- Zinnervale
Name: Hiallt
IF PEOPLE SEE THIS IN THEIR NOTIFICATIONS OR CHECK THE POST AGAIN, PLEASE CHECK MY EDIT IN THE ORIGINAL POST!!
TLDR: Go do the quest again on a character of the opposite sex, even if you are a female main!
Lol how many times can you repeat this? Or just once more with a female character?
Same here. US east Avesta server Dreamwork.
Replying to make this more visible and help fellow commenters:
YOU CAN DO THE QUEST TWICE, WITH A MALE AND A FEMALE CHARACTER, NOT ONLY YOU WILL BE ABLE TO CLAIM THE WC ON YOUR MALE MAIN BUT ALSO GET DOUBLE THE LOOT BECAUSE IT CAN GO IN ROSTER STORAGE (DON’T OPEN THE CHESTS).
MAKE SURE TO CLAIM WC ON MAIN.