If you spot a not working map or a duplicate, contact:

mv
discord: mv#7803
irc: irc.frag-net.com
email: mv@darkok.xyz
steam: https://steamcommunity.com/id/emv33

bt
discord: bt#1684
irc: rarely irc.frag-net.com
email: bt@hl2.world
steam: https://steamcommunity.com/id/pepega-gaming

or a Frag-Net staff member.