Solve HTTP Error in Media Library

Add to functions.php

function change_graphic_lib($array) {
return array( 'WP_Image_Editor_GD', 'WP_Image_Editor_Imagick' );
}
add_filter( 'wp_image_editors', 'change_graphic_lib' );

function change_graphic_lib($array) {

return array( 'WP_Image_Editor_GD', 'WP_Image_Editor_Imagick' );

}

add_filter( 'wp_image_editors', 'change_graphic_lib' );