High school years - event stops Sims from being able to attend classes on time.

Please EA I need your help to fix my game! The high school years is one of my all time favourite packs and since the last update that contained a bug fix to allow multiple teens to attend school and have their own school time lines in the top left corner. Since this update I have noticed you have changed this to a event which has caused multiple issues for my game. It still doesn't show up for more than one teen. I no longer know what time anything is and my teens are constantly late to lessons and it is increasingly difficult to be a good or bad student when there are no continuous tasks throughout the school day as well as no tasks at all when you play with two or more teens on the active lot. I have also noticed there is a lot of lag and I have to wait ages to move my teens once I have arrived to the high school lot as they are stuck and I cannot click on anything or move them. I have also experienced a lot of lag with lesson times and my teens are not finishing school until 5/6pm. Please if I could just have this patch update which changed all of this scrapped from my game I would be much happier with that, even if you could send this to my account privately I would really appreciate it and this completely broken my high schools years pack and I don't think I can play Sims without it. Thank you!