ERROR: ZIP archive cannot be closed correctly

i attached my log info below here.
I complete my backup but there are some errors.
please check it and let me know how to solve it ??

[INFO] BackWPup 3.7.0; A project of Inpsyde GmbH
[INFO] WordPress 5.2.4 on https://wwoofkorea.org/
[INFO] Log Level: Normal
[INFO] BackWPup job: ????? ??? ?? ??
[INFO] Logfile is: backwpup_log_2086ac_2019-12-11_12-39-19.html
[INFO] Backup file is: 2019-12-11_12-39-19_LQJZBTJC02.zip
[11-Dec-2019 12:39:19] 1. Try to backup database …
[11-Dec-2019 12:39:19] Connected to database koreawwoofko on localhost
[11-Dec-2019 12:39:22] Added database dump “koreawwoofko.sql” with 113.05 MB to backup file list
[11-Dec-2019 12:39:22] Database backup done!
[11-Dec-2019 12:39:24] 1. Trying to make a list of folders to back up …
[11-Dec-2019 12:39:40] Added “wp-config.php” to backup file list
[11-Dec-2019 12:39:40] 6214 folders to backup.
[11-Dec-2019 12:39:42] 1. Trying to create a WordPress export to XML file …
[11-Dec-2019 12:40:20] Check WP Export file …
[11-Dec-2019 12:40:20] WP Export file is a valid WXR file.
[11-Dec-2019 12:40:20] Added XML export “wwoofkorea.wordpress.2019-12-11.xml” with 28.65 MB to backup file list.
[11-Dec-2019 12:40:27] 1. Trying to generate a file with installed plugin names …
[11-Dec-2019 12:40:27] Added plugin list file “wwoofkorea.pluginlist.2019-12-11.txt” with 6.52 KB to backup file list.
[11-Dec-2019 12:40:27] 1. Trying to generate a manifest file …
[11-Dec-2019 12:40:27] Added manifest.json file with 4.84 KB to backup file list.
[11-Dec-2019 12:40:27] 1. Trying to create backup archive …
[11-Dec-2019 12:40:27] Compressing files as ZipArchive. Please be patient, this may take a moment.
[11-Dec-2019 12:47:35] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:47:35] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:47:37] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:47:42] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:47:42] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:47:46] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:47:46] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:47:48] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:47:48] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:47:51] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:47:51] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:47:54] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:47:54] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:47:57] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:47:57] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:48:00] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:00] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:48:04] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:04] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:48:06] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:06] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:48:08] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:13] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:13] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:48:16] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:16] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:48:18] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:18] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:48:21] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:21] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:48:23] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:23] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:48:26] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:26] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:48:29] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:29] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:48:31] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:31] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:48:34] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:34] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:48:38] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:38] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:48:41] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:45] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:45] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:48:47] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:47] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:48:50] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:50] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:48:52] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:52] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:48:55] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:55] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:48:58] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:48:58] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:49:01] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:49:01] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:49:03] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:49:03] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:49:06] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:49:06] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:49:09] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:49:09] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:49:11] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:49:16] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:49:16] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:49:20] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:49:20] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:49:23] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:49:23] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:49:26] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:49:26] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:49:28] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:49:28] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:49:31] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:49:31] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:49:35] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:49:35] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:49:38] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:49:38] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:49:41] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:49:41] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:49:43] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:49:48] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:49:48] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:49:51] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:49:51] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:49:54] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:49:54] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:49:57] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:49:57] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:50:00] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:50:00] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:50:10] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:50:10] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:50:13] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:50:13] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:50:17] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:50:22] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:50:22] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:50:25] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:50:25] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:50:29] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:50:29] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:50:31] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:50:31] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:50:35] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:50:35] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:50:37] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:50:38] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:50:40] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:50:40] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:50:43] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:50:43] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:50:47] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:50:47] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:50:49] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:50:53] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:50:53] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:50:56] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:50:56] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:50:59] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:50:59] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:51:02] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:02] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:51:05] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:05] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:51:08] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:08] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:51:10] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:10] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:51:13] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:13] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:51:16] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:16] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:51:18] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:18] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:51:21] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:26] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:26] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:51:28] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:28] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:51:30] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:30] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:51:32] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:32] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:51:35] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:35] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:51:37] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:37] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:51:39] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:39] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:51:41] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:41] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:51:44] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:44] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:51:46] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:46] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:51:50] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:50] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:51:52] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:52] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:51:54] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:58] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:51:58] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:52:01] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:52:01] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:52:04] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:52:04] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:52:07] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:52:07] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:52:13] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:52:13] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:52:17] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:52:17] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:52:21] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:52:21] ERROR: ZIP archive cannot be closed correctly
[11-Dec-2019 12:52:24] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:52:30] WARNING: ZipArchive::close(): Write error: Disk quota exceeded
[11-Dec-2019 12:52:30] Backup archive created.
[11-Dec-2019 12:52:30] Archive size is 318.28 MB.
[11-Dec-2019 12:52:30] 45875 Files with 2.90 GB in Archive.
[11-Dec-2019 12:52:32] 1. Try to send backup file to Dropbox …
[11-Dec-2019 12:52:33] Authenticated with Dropbox of user: Anna Kim
[11-Dec-2019 12:52:33] Uploading to Dropbox …
[11-Dec-2019 12:52:33] Beginning new file upload session
[11-Dec-2019 12:56:02] Finishing upload session with a total of 318 MB uploaded
[11-Dec-2019 12:56:04] Backup transferred to /wwoofkorea/2019-12-11_12-39-19_LQJZBTJC02.zip
[11-Dec-2019 12:56:07] 1. Trying to check database …
[11-Dec-2019 12:56:08] Database check done!
[11-Dec-2019 12:56:08] ERROR: Job has ended with errors in 1009 seconds. You must resolve the errors for correct execution.