could you list any amount of most common mistakes committed while creating a forum?
You could maybe also add a bit of legend for each point:
NC -> not clear documentation (full 152 pages long documentation). Read about an option in documentation but did not realized it was what it was.
NCD -> not clear description. While configuring the forum I thought I understand short description but did not realized the importance.
G -> guess that turned out to have bad consequences.
LE -> lack of experience. One of those things that just comes with experience.
O -> other
OF -> something that works slightly different in other forum.
Feel free to add more to the legend.