guild challenge

Why cant I make a guild challenge,I have a new guild 2 weeks old with now 12 members all ranked experienced except for 4 right hand men,3 teams are new 1 day old members but I promoted them instantly,when I try to make a guild challenge it tells me I need 10 players and I have 12 so can anyone tell me as to why it wont let me make a challenge that has went through this. Thanks for any info.
This has been answered on the below thread, I will be locking this one to avoid confusion

http://www.sublinet.com/en/forum/topic.php?server=42&id=17652