sleepgreen

acf-qtranslate/src/acf_5/fields/image.php
add_filter('wp_prepare_attachment_for_js', array($this, 'wp_prepare_attachment_for_js'), 10, 3);

if ( method_exists( $this, 'wp_prepare_attachment_for_js' ) ) {
			add_filter('wp_prepare_attachment_for_js',		array($this, 'wp_prepare_attachment_for_js'), 10, 3);
		}

Until the update