Unknown column 'slider_status' in 'field list'
Either of these errors appear somewhere on your website:
Unknown column '_sliders.slider_status' in 'field list'
Unknown column 'sliders2.slider_status' in 'where clause'
PHP Notice: Undefined index: slider_status
Your database user doesn't have ALTER or DROP permission.
Ask your server host to fix the permissions of your database user! Make it have ALTER and DROP permission too.
If you are using WordPress, press the Analyze & Repair button.
This will rerun our database update codes, so if your user has correct permissions now, you shouldn't see "slider_status" errors anymore.