debugging notification for Snapshot

There is a notification generated by Snapshot when debug is set to true.

The notification is:

Notice: Indirect modification of overloaded property Snapshot_Items_Table::$_args has no effect in /home/sitename/public_html/wp-content/plugins/snapshot/lib/class_snapshot_items_table.php on line 671

The notification can be found at:

Network Admin > Snapshots > All snapshots

Screenshot supplied

WP SYSTEM INFO

PHP
Version 5.4.31
max_execution_time 600
open_basedir
memory_limit 256M
upload_max_filesize 20M
post_max_size 20M
display_errors 1
log_errors 1
track_errors
session.auto_start 0
session.cache_expire 180
session.cache_limiter nocache
session.cookie_domain
session.cookie_httponly
session.cookie_lifetime 0
session.cookie_path /
session.cookie_secure
session.gc_divisor 1000
session.gc_maxlifetime 1440
session.gc_probability 1
session.referer_check
session.save_handler files
session.save_path /tmp
session.serialize_handler php
session.use_cookies 1
session.use_only_cookies 1
error_reporting 32767
E_ERROR
E_WARNING
E_PARSE
E_NOTICE
E_CORE_ERROR
E_CORE_WARNING
E_COMPILE_ERROR
E_COMPILE_WARNING
E_USER_ERROR
E_USER_WARNING
E_USER_NOTICE
E_STRICT
E_RECOVERABLE_ERROR
E_DEPRECATED
E_USER_DEPRECATED
E_ALL
Extensions bcmath, bz2, calendar, cgi-fcgi, Core, ctype, curl, date, dom, ereg, exif, fileinfo, filter, ftp, gd, gettext, gmp, hash, iconv, imagick, imap, inotify, intl, ionCube Loader, json, libxml, mbstring, mcrypt, mhash, mysql, mysqli, openssl, pcntl, pcre, PDO, pdo_mysql, pdo_sqlite, Phar, posix, Reflection, session, shmop, SimpleXML, soap, SPL, sqlite3, standard, tokenizer, xml, xmlreader, xmlrpc, xmlwriter, Zend Guard Loader, zlib

MySQL
Version 5.5.36-cll-lve
Driver mysql
key_buffer_size 512 MB
max_allowed_packet 32 MB
max_connections 1000
query_cache_limit 1 MB
query_cache_size 64 MB
query_cache_type ON
WordPress
Version 4.0
ABSPATH Withheld
WP_CONTENT_DIR Withheld
WP_PLUGINS_DIR undefined
SUNRISE on
UPLOADBLOGSDIR undefined
UPLOADS undefined
SUBDOMAIN_INSTALL 1
DOMAIN_CURRENT_SITE Withheld
PATH_CURRENT_SITE /
SITE_ID_CURRENT_SITE 1
BLOGID_CURRENT_SITE undefined
COOKIE_DOMAIN Withheld
COOKIEPATH /
SITECOOKIEPATH /
DISABLE_WP_CRON undefined
ALTERNATE_WP_CRON undefined
DISALLOW_FILE_MODS undefined
WP_HTTP_BLOCK_EXTERNAL undefined
WP_ACCESSIBLE_HOSTS undefined

Web Server
Software Apache
Version Unknown
Address Withheld
Host Withheld
Remote HTTP Requests
WPMU DEV: GET OK
WPMU DEV: POST OK
PayPal API: POST OK

Regards, Sean.