Plugin have some issues

Hi please check my code
Following issue is coming.
1- Images are auto saving and deleting form media library frame(popup).

function artist_gallery_get_meta_box( $meta_boxes ) {
$prefix = ‘artist-‘;

$meta_boxes[] = array(
‘id’ => ‘artist-gall-metabox’,
‘title’ => esc_html__( ‘Artist Gallery’, ‘metabox-online-generator’ ),
‘post_types’ => array(‘artist’ ),
‘context’ => ‘advanced’,
‘priority’ => ‘default’,
‘fields’ => array(
array(
‘id’ => $prefix . ‘artist-gallery’,
‘type’ => ‘file_advanced’,
‘name’ => esc_html__( ‘Add Gallery’, ‘metabox-online-generator’ ),
‘desc’ => esc_html__( ‘Add artist gallery collection’, ‘metabox-online-generator’ ),
‘mime_type’ => ‘image/jpeg’,
‘max_file_uploads’ => 9,
‘max_status’ => ‘true’,
‘size’ => 8,
),
),
);

return $meta_boxes;
}
add_filter( ‘rwmb_meta_boxes’, ‘artist_gallery_get_meta_box’ );