How do i fix the bug that wont allow team prestige to go up

My team prestige has been stuck at 4.5 for 4 years. how do i fix this??

IN CFB 26 DYNASTY I HAVE PLAYED 5 SEASONS AS HEAD COACH WON 5 NATIONAL CHAMPIONSHIPS AND NUMBER 1 RECRUITING CLASS FOR 5 YEARS AND COACH LEVEL 100 BUT MY PRESTIGE WONT GO UP