Error in backing up website

Hello,

The error my backup says my dropbox is full, although I have plenty of space in my drop box. Any suggestions? Here is the email I get after the backup fails:

[ERROR] BackWPup log 22-Dec-2013 00:41: Full Backup
From BackWPup Rite Oak ConsultingAdd contact Date Today 03:07

<- <<- -> []
[INFO] BackWPup version 3.0.13; WordPress version 3.6.1; A project of Inpsyde GmbH developed by Daniel Hüsken
[INFO] This program comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to redistribute it under certain conditions.
[INFO] Blog url: http://www.riteoak.com/
[INFO] BackWPup job: Full Backup; DBDUMP+FILE+WPEXP+WPPLUGIN
[INFO] BackWPup cron: 0 0 * * 0; Sun, 22 Dec 2013 @ 00:41
[INFO] BackWPup job started from wp-cron
[INFO] PHP ver.: 5.2.17; cgi-fcgi; Linux
[INFO] Maximum script execution time is 30 seconds
[INFO] MySQL ver.: 5.5.33-31.1
[INFO] curl ver.: 7.24.0; OpenSSL/0.9.8t
[INFO] Temp folder is: /home2/riteoak/public_html/wp-content/uploads/backwpup-efeb0-temp/
[INFO] Logfile folder is: /home2/riteoak/public_html/wp-content/uploads/backwpup-60f27-logs/
[INFO] Backup type is: archive
[INFO] Backup file is: /home2/riteoak/public_html/wp-content/uploads/backwpup-efeb0-temp/backwpup_68ae07_2013-12-22_00-41-51.tar.gz
[22-Dec-2013 00:41:51] 1. Try to dump database …
[22-Dec-2013 00:41:51] Connected to database riteoak_wrdp2 on localhost
[22-Dec-2013 00:41:51] Dump database table “wp_bpspro_login_security”
[22-Dec-2013 00:41:51] Dump database table “wp_bpspro_seclog_ignore”
[22-Dec-2013 00:41:51] Dump database table “wp_commentmeta”
[22-Dec-2013 00:41:51] Dump database table “wp_comments”
[22-Dec-2013 00:41:51] Dump database table “wp_links”
[22-Dec-2013 00:41:51] Dump database table “wp_options”
[22-Dec-2013 00:41:51] Dump database table “wp_postmeta”
[22-Dec-2013 00:41:51] Dump database table “wp_posts”
[22-Dec-2013 00:41:51] Dump database table “wp_term_relationships”
[22-Dec-2013 00:41:51] Dump database table “wp_term_taxonomy”
[22-Dec-2013 00:41:51] Dump database table “wp_terms”
[22-Dec-2013 00:41:51] Dump database table “wp_usermeta”
[22-Dec-2013 00:41:51] Dump database table “wp_users”
[22-Dec-2013 00:41:51] Added database dump “riteoak_wrdp2.sql” with 1.90 MB to backup file list
[22-Dec-2013 00:41:51] Database dump done!
[22-Dec-2013 00:41:51] 1. Trying to make a list of folders to back up …
[22-Dec-2013 00:41:52] 966 folders to back up.
[22-Dec-2013 00:41:52] 1. Trying to create a WordPress export to XML file …
[22-Dec-2013 00:41:52] Added XML export “Rite-Oak-Consulting.wordpress.2013-12-22.xml” with 301.08 kB to backup file list.
[22-Dec-2013 00:41:52] 1. Trying to generate a file with installed plugin names …
[22-Dec-2013 00:41:53] Added plugin list file “Rite-Oak-Consulting.pluginlist.2013-12-22.txt” with 1.91 kB to backup file list.
[22-Dec-2013 00:41:53] 1. Trying to create backup archive …
[22-Dec-2013 00:41:53] Compression method is TarGz
[22-Dec-2013 02:18:34] WARNING: Job restart due to inactivity for more than 5 minutes.
[22-Dec-2013 09:03:25] WARNING: Job restart due to inactivity for more than 5 minutes.
[22-Dec-2013 09:07:48] Backup archive created.
[22-Dec-2013 09:07:49] Archive size is 7.60 GB.
[22-Dec-2013 09:07:49] 7119 Files with 21.29 GB in Archive.
[22-Dec-2013 09:07:49] 1. Try to send backup file to Dropbox …
[22-Dec-2013 09:07:49] Authenticated with Dropbox of user Kelly Nguyen (kellynguyen404@gmail.com)
[22-Dec-2013 09:07:49] ERROR: Your Dropbox appears to be full.
[22-Dec-2013 09:07:49] Job has ended with errors in 30358 seconds. You must resolve the errors for correct execution.

Thank you.

Best Regards,

Kelly

http://wordpress.org/plugins/backwpup/