Failed Ajax request or invalid JSON returned in ojs-3.3.0-7 during file upload for copyediting

Greetings, i recently installed ojs-3.3.0-7 and have been having an error Failed Ajax request or invalid JSON returned when i try to upload files during the copyediting stage. I will appreciate it if you can help me out

Here is the error in my log file
[05-Nov-2024 14:18:07 UTC] PHP Deprecated: Return type of ADODB_Iterator_empty::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/universi/public_html/lib/pkp/lib/vendor/adodb/adodb-php/adodb.inc.php on line 3149
Thanks