I couldn't find another thread on this, so I apologize if this is an old issue. When adding items to the Guild Bank, it starts off showing 40 slots available but in reality, there is only 20 slots free. If you try to add any more to the deposit area, "There is no more room in the Guild Bank" message is output.
Not sure if the intention is to limit it to 20 for server/storage purposes and this is just a display issue, or if an extra 20 slots is missing.
Thank you!