You need to define a directory, where you want to save the uploaded user images!

hi

i have a problem when i uplod image i get error and in the console is see

jquery.min.js?ver=3.6.0:2          POST https://www.h-i-h.co.il/wp-admin/admin-ajax.php?action=fpd_custom_uplod_file 403

and when i open link

https://www.h-i-h.co.il/wp-admin/admin-ajax.php?action=fpd_custom_uplod_file

i get

{"error":"You need to define a directory, where you want to save the uploaded user images!"} 

how can i fix this? where to set this folder