Guild Quest Done Showings under Guild Icon

The section in the Guild Icon that shows when we have completed a guild quest is bugging. Not good when you are trying to figure out who is doing them and who isnt.
We had 1 person left to complete a guild quest to complete the guild quest. I removed 1 person due to them not doing a guild quest for 2 days. The last person to complete theirs to finish the guild quest came online and completed theirs and we completed the guild quest. In re-looking at the completed under the guild icon, I then notice that not only did the person that I just watched show not to have complete theirs for the day, but it also showed that I hadnt done mine, when in fact I was the very 1st one to complete mine. Now im wondering did I remove someone under a glitch and maybe he did do his but it didnt show that he had. This was supposed to help us track who was doing them and who wasnt, this is disheartening when its not monitoring them correctly after all. :(