Error: 2 [Trying to access array offset on value of type null] in /home/dh_hjrpxy/shared/get_pic_list_from_mo_shared.php on line 8

Error: 8192 [ucfirst(): Passing null to parameter #1 ($string) of type string is deprecated] in /home/dh_hjrpxy/shared/get_pic_list_from_mo_shared.php on line 8