Error Code Display on Site

I have been seeing this since yesterday, I don't know why. It's disturbing.

Unusual. Please assist urgently.

Replies (3)

· Cem

· 2019-12-09T14:36:42+0000
PHP notices should not be displayed on web pages unless it's set to be shown in PHP. ini.
May be you had some changes in PHP.ini?
· DeDiary

· 2019-12-09T15:33:58+0000
I didn't change anything
· DeDiary

· 2019-12-09T15:53:36+0000
I have turned it off but I am interested in knowing what the problem is.