multisim simulation assistance needed bcd counters

essentially making a 00-99 counter that doesnt exceed beyond those bounds. do not know what to do anymore. need help.

display is only showing [ ] [0]. not counting up nor down. image attached for reference

https://preview.redd.it/6t80572b60jh1.png?width=1969&format=png&auto=webp&s=845bd414ced3b53ac210ec6dadc8b05ecd1c27b4