WP-Cron jobs not starting

I have multiple websites on a single piece of hardware. two of the 10 sites dont want to start their full site backup by the WPcron. They do database only backups that get emailed out from the WPcron every hour as I want (as do all the sites). But I have a entire site backup that is supposed to fire once a day that just does not run. I can run it manually without any issue, but wont fire automatically via the WPcron. I’ve checked the schedule. It always says its going to run the next morning but never does actually run.

The other 8 sites on the server do exactly as I want without any issues.

If I can provide any additional info please let me know.

Here is the debuginfo:
WordPress version: 4.9.2
BackWPup version: 3.4.4
PHP version: 7.0.22-0ubuntu0.16.04.1 (64bit)
MySQL version: 5.7.21-0ubuntu0.16.04.1-log
cURL version: 7.47.0
cURL SSL version: OpenSSL/1.0.2g
WP-Cron url: https://newsletter.provo.edu/wp-cron.php
Server self connect: Response Test O.K.
Document root: /var/www/newsletter/public_html
Temp folder: /var/www/newsletter/public_html/wp-content/uploads/backwpup-772959-temp/
Log folder: /var/www/newsletter/public_html/wp-content/uploads/backwpup-772959-logs/
Server: Apache
Operating System: Linux
PHP SAPI: apache2handler
Current PHP user: *****(I removed this)
Maximum execution time: 30 seconds
Alternative WP Cron: Off
Disabled WP Cron: Off
CHMOD Dir: 0755
Server Time: 17:7
Blog Time: 10:07
Blog Timezone: America/Denver
Blog Time offset: -7 hours
Blog language: en-US
MySQL Client encoding: utf8mb4
PHP Memory limit: 256M
WP memory limit: 40M
WP maximum memory limit: 256M
Memory in use: 26.00 MB
Disabled PHP Functions:: pcntl_alarm, pcntl_fork, pcntl_waitpid, pcntl_wait, pcntl_wifexited, pcntl_wifstopped, pcntl_wifsignaled, pcntl_wifcontinued, pcntl_wexitstatus, pcntl_wtermsig, pcntl_wstopsig, pcntl_signal, pcntl_signal_dispatch, pcntl_get_last_error, pcntl_strerror, pcntl_sigprocmask, pcntl_sigwaitinfo, pcntl_sigtimedwait, pcntl_exec, pcntl_getpriority, pcntl_setpriority,
Loaded PHP Extensions:: Core, PDO, Phar, Reflection, SPL, SimpleXML, Zend OPcache, apache2handler, calendar, ctype, curl, date, dom, exif, fileinfo, filter, ftp, gd, gettext, hash, iconv, json, libxml, mbstring, mcrypt, mysqli, mysqlnd, openssl, pcre, pdo_mysql, posix, readline, session, shmop, sockets, standard, sysvmsg, sysvsem, sysvshm, tokenizer, wddx, xml, xmlreader, xmlwriter, xsl, zip, zlib