Problems encountered in making appointment times, because there is a chain of time that does not match, do not break down the results in a brawl in the group but anyone reasoning in comment.
Problems encountered in the working groups. The appointment time because there is a mismatch, it is irrational to cause division among squabbling. But all the reasons in the comments.
The problems found in the working group. An appointment time because time mismatch and divide the work not cause a fight in the group. But all the reason in the comments.