Backup ERROR

Hello…
i got an error message when finishing the backup
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[13-Dec-2018 09:22:52] 1. Try to backup database …
[13-Dec-2018 09:22:52] Connected to database *** on localhost
[13-Dec-2018 09:22:53] Added database dump “***” with 43.84 MB to backup file list
[13-Dec-2018 09:22:53] Database backup done!
[13-Dec-2018 09:22:53] 1. Trying to make a list of folders to back up …
[13-Dec-2018 09:22:54] Added “wp-config.php” to backup file list
[13-Dec-2018 09:22:54] 916 folders to backup.
[13-Dec-2018 09:22:54] 1. Trying to create a WordPress export to XML file …
[13-Dec-2018 09:23:04] Check WP Export file …
[13-Dec-2018 09:23:05] WP Export file is a valid WXR file.
[13-Dec-2018 09:23:05] Added XML export “Vectogravic_Design.wordpress.2018-12-13.xml” with 37.54 MB to backup file list.
[13-Dec-2018 09:23:08] 1. Trying to generate a file with installed plugin names …
[13-Dec-2018 09:23:08] Added plugin list file “Vectogravic-Design.pluginlist.2018-12-13.txt” with 2.85 KB to backup file list.
[13-Dec-2018 09:23:08] 1. Trying to generate a manifest file …
[13-Dec-2018 09:23:08] Added manifest.json file with 6.42 KB to backup file list.
[13-Dec-2018 09:23:08] 1. Trying to create backup archive …
[13-Dec-2018 09:23:08] Compressing files as ZipArchive. Please be patient, this may take a moment.
[13-Dec-2018 09:44:46] WARNING: Job restarts due to inactivity for more than 5 minutes.
[13-Dec-2018 09:44:46] 2. Trying to create backup archive …
[13-Dec-2018 09:52:01] Backup archive created.
[13-Dec-2018 09:52:01] Archive size is 876.11 MB.
[13-Dec-2018 09:52:01] 37626 Files with 1.10 GB in Archive.
[13-Dec-2018 09:52:04] 1. Try to send backup file to Dropbox …
[13-Dec-2018 09:52:04] Authenticated with Dropbox of user: ***
[13-Dec-2018 09:52:04] Uploading to Dropbox …
[13-Dec-2018 09:52:04] Beginning new file upload session
[13-Dec-2018 10:06:18] WARNING: Job restarts due to inactivity for more than 5 minutes.
[13-Dec-2018 10:06:18] 2. Try to send backup file to Dropbox …
[13-Dec-2018 10:06:19] Authenticated with Dropbox of user: ***
[13-Dec-2018 10:06:19] Uploading to Dropbox …
[13-Dec-2018 10:06:54] ERROR: Signal “SIGHUP” (Hangup detected on controlling terminal or death of controlling process) is sent to script!
[13-Dec-2018 10:07:04] Finishing upload session with a total of 876 MB uploaded
[13-Dec-2018 10:07:07] ERROR: Uploaded file size and local file size don’t match.
[13-Dec-2018 10:07:09] 3. Try to send backup file to Dropbox …
[13-Dec-2018 10:07:10] Authenticated with Dropbox of user: ***
[13-Dec-2018 10:07:10] Uploading to Dropbox …
[13-Dec-2018 10:07:10] ERROR: Job has ended with errors in 2658 seconds. You must resolve the errors for correct execution.
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is this a normal error and still able to be restored later?
thanks

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