Can't form a party

Bug Name:

Can't form a party​

Bug Description:

Bug:When trying to form a party it said'Can't form a party while the monster is getting summoned'but I didnt summon anything.Family name:Harukayume.​

How to reproduce/proof:

Today I with 2 friends were SD helms,I'm the party leader,I afk for a while and when I came back I just could not party anyone.It noticed 'Can't form a party while the monster is getting summoned',but I didnt summoned anything.One of my teammate had tried to do summon,as she's not the party leader,she failed and left party for doing quest.Now I still can't party anyone,I didnt have any summon quest,and re-login or change character didnt solve this problem.What should I do to solve the problem now?​

 

Just change channel