Error from import pdf

Fatal error: Uncaught exception \\\’ImagickException\\\’ with message \\\’Failed to read the file\\\’ in /usr/local/www/apache24/data/leuco/wp-content/plugins/pdf-light-viewer/controllers/PdfController.php:535 Stack trace: #0 /usr/local/www/apache24/data/leuco/wp-content/plugins/pdf-light-viewer/controllers/PdfController.php(535): Imagick->readimage(\\\’/usr/local/www/…\\\’) #1 [internal function]: PdfLightViewer_PdfController::save_post(56) #2 /usr/local/www/apache24/data/leuco/wp-includes/plugin.php(525): call_user_func_array(Array, Array) #3 /usr/local/www/apache24/data/leuco/wp-includes/post.php(3518): do_action(\\\’save_post_pdf_l…\\\’, 56, Object(WP_Post), true) #4 /usr/local/www/apache24/data/leuco/wp-includes/post.php(3602): wp_insert_post(Array, false) #5 /usr/local/www/apache24/data/leuco/wp-admin/includes/post.php(376): wp_update_post(Array) #6 /usr/local/www/apache24/data/leuco/wp-admin/post.php(193): edit_post() #7 {main} thrown in/usr/local/www/apache24/data/leuco/wp-content/plugins/pdf-light-viewer/controllers/PdfController.php on line 535
Тема: Запрос в техподдержку, плагин pdf-light-viewer (время: 28.06.2016 05:27:57)

Серверная информация

• os -> FreeBSD hr.local 10.3-RELEASE-p3 FreeBSD 10.3-RELEASE-p3 #0: Tue May 17 21:18:12 UTC 2016 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC i386
• php -> 5.6.22
• mysql -> 5.6.30
• wordpress -> 4.5.3

Тема
Rocked, 1.08, http://athemes.com/theme/rocked
от aThemes, http://athemes.com

Плагины

• iThemes Security, 5.6.0, https://ithemes.com/security
• PDF Light Viewer Plugin, 1.3.3, http://pdf-light-viewer.wp.teamlead.pw/
• RusToLat, 0.3, http://wordpress.org/extend/plugins/rustolat/
• Page Builder by SiteOrigin, 2.4.9, https://siteorigin.com/page-builder/
• SiteOrigin Widgets Bundle, 1.6.1, https://siteorigin.com/widgets-bundle/
• Toolset Types, 2.1, http://wordpress.org/extend/plugins/types/