why new member can't register in my forum

[toma2005]

After 3 or 4 day when i create host this problem appear "Administrators have forbidden any new members"
my 4rum : sieuwayhv.8forum.biz
plz tell me how to fix it.
thx for reading

[kylesmummy06]

ACP User and groups User options
Look for allow new members tick yes and save

[toma2005]

i tried do it but can't fix.
who can tell me the other way
thx for your way

[VFKFAdministrator_Aaron]

Same problem here


Help!