veracity

Having this same issue.

[INFO] BackWPup 3.2.1; A project of Inpsyde GmbH
[INFO] BackWPup job: SMSA file & XML backup
[INFO] Logfile is: backwpup_log_4222f0_2015-10-28_03-41-12.html
[INFO] Backup file is: SMSA_backwpup_full_backup_4222f0_2015-10-28_03-41-12.tar
[28-Oct-2015 03:41:12] 1. Trying to make a list of folders to back up …
[28-Oct-2015 03:41:13] Added "wp-config.php" to backup file list
[28-Oct-2015 03:41:13] 758 folders to backup.
[28-Oct-2015 03:41:13] 1. Trying to create a WordPress export to XML file …
[28-Oct-2015 03:41:48] ERROR: Signal "SIGTERM" is sent to script!
[28-Oct-2015 03:41:51] 2. Trying to create a WordPress export to XML file …
[28-Oct-2015 03:42:32] Check WP Export file …
[28-Oct-2015 03:42:32] WP Export file is a valid WXR file.
[28-Oct-2015 03:42:32] Compressing file …
[28-Oct-2015 03:42:33] Compressing done.
[28-Oct-2015 03:42:33] Added XML export "SMSA.wordpress.2015-10-28.xml.gz" with 1.15 MB to backup file list.
[28-Oct-2015 03:42:36] 1. Trying to generate a manifest file …
[28-Oct-2015 03:42:36] Added manifest.json file with 7.21 kB to backup file list.
[28-Oct-2015 03:42:36] 1. Trying to create backup archive …
[28-Oct-2015 03:42:36] Compressing files as Tar. Please be patient, this may take a moment.
[28-Oct-2015 03:43:23] ERROR: Signal "SIGTERM" is sent to script!
[28-Oct-2015 03:43:24] 2. Trying to create backup archive …
[28-Oct-2015 03:44:11] ERROR: Signal "SIGTERM" is sent to script!
[28-Oct-2015 03:44:12] 3. Trying to create backup archive …
[28-Oct-2015 03:44:59] ERROR: Signal "SIGTERM" is sent to script!
[28-Oct-2015 03:45:01] 4. Trying to create backup archive …
[28-Oct-2015 03:45:47] ERROR: Signal "SIGTERM" is sent to script!
[28-Oct-2015 03:45:52] 5. Trying to create backup archive …
[28-Oct-2015 03:46:35] ERROR: Signal "SIGTERM" is sent to script!
[28-Oct-2015 03:46:37] ERROR: Step aborted: too many attempts!
[28-Oct-2015 03:46:37] 1. Try to send backup file to Dropbox …
[28-Oct-2015 03:46:38] Authenticated with Dropbox of user: xxxxxxxx
[28-Oct-2015 03:46:38] Uploading to Dropbox …
[28-Oct-2015 03:46:39] One old log deleted
[28-Oct-2015 03:46:39] ERROR: Job has ended with errors in 327 seconds. You must resolve the errors for correct execution.

Timeout is already set to maximum.

What is the solution, please?