Quick Laravel expert need to fix just 2 issue.

Quick Laravel expert need to fix just 2 issue.
Every things working fine, just 2 quick issue to fix.
1, Image not getting uploaded from local computer to my med manager, early it was working fine.
2, adding page working fine, but when editing the page then we getting this error.

just these two need to fox now, its urgent, you must be a expert in laravel.

Bid only if you can do now

Thanks!