image uploading not working

hello , when trying to upload pictures it said ok , but picture not uploaded and I've noticed that folder not even created in /files directory
check screenshot
tried refreshing cache
disabled auto upload pictures


still same problem , It was working before;

current version 4.5.1
updated from 4.5.0

everything was working even after updated to 4.5.1

Hello,

I suggest you create a ticket in the Technical Department.
Maybe you made a mistake after upgrade, our staff will check it.