1) You must log into the game during the time the Guild Event took place in order to be qualified for the rewards. 

2) If you are not in the Guild when the Gift arrives, the gift will not show up in your account. 

3) If it was a Guild Gift from the Event, your account must score at least 1 point to receive the Gift, so if you didn't participate the Event and score at least 1 point, you will not receive any gifts.  

4) If you received the Gift but didn't collect, someone kicked you out of the Guild or you quit the Guild, the Gift will be removed.