Please helpi got "Fatal error: Cannot redeclare get_leaf_dirs()"

Hi All

Please help me fix this problem

i got this message on every page on my website :

https://cutekool.com/charcoal/

Fatal error: Cannot redeclare get_leaf_dirs() (previously declared in /home/content/28/9505028/html/wp-content/themes/catch-box/footer.php:54) in /home/content/28/9505028/html/wp-content/themes/catch-box/footer.php on line 58

i tried to re-install plugin but it not works

i think something wrong with the theme

do you have any problem like this before? if yes, please teach me how to fix it

Many thanks