Image crop editor is not working in WordPress theme

 Issue:
In WordPress admin, where the images are not cropping in WP "edit image" .

Solution 1:

1,Check your functions.php file. See, if you have the closing tag at the every end of the file.

?>

function.php location: wp directory > /wp-content/themes/<theme name>/functions.php

Solution 2:

The problem may be missing the GD library

Install php-gd library.

sudo apt-get update
sudo apt-get install php-gd
sudo service apache2 restart