Backup Failed

My backup failed. Here is the log. Can you help me?

WordPress version: 5.8.2
BackWPup version: 3.10.0
PHP version: 5.6.40  (64bit)
MySQL version: 5.7.26-29-log
cURL version: 7.79.1
cURL SSL version: OpenSSL/1.1.1l
WP-Cron url: https://ardathwaller.com/wp-cron.php
Server self connect: Not expected HTTP response:
Status-Code: 200
Server: openresty
Date: Mon, 22 Nov 2021 00:19:12 GMT
Content-length: 0
Strict-transport-security: max-age=31536000; includeSubDomains

Document root: /var/www
Temp folder: /var/www/wp-content/uploads/backwpup-ef5332-temp/
Log folder: /var/www/wp-content/uploads/backwpup-ef5332-logs/
Server: Apache
Operating System: Linux
PHP SAPI: cgi-fcgi
Current PHP user: root
Maximum execution time: 300 seconds
BackWPup maximum script execution time: 30 seconds
Alternative WP Cron: Off
Disabled WP Cron: Off
CHMOD Dir: 453
Server Time: 0:19
Blog Time: 19:19
Blog Timezone: America/Indiana/Indianapolis
Blog Time offset: -5 hours
Blog language: en-US
MySQL Client encoding: utf8
PHP Memory limit: 256M
WP memory limit: 40M
WP maximum memory limit: 256M
Memory in use: 30.75 MB
Loaded PHP Extensions:: Core, PDO, Phar, Reflection, SPL, SimpleXML, Zend OPcache, apc, apcu, bcmath, bz2, calendar, cgi-fcgi, ctype, curl, date, dba, dom, ereg, exif, fileinfo, filter, ftp, gd, gettext, hash, iconv, igbinary, imagick, json, libxml, mbstring, mcrypt, mysql, mysqli, mysqlnd, openssl, pcntl, pcre, pdo_mysql, pdo_sqlite, posix, pspell, readline, session, shmop, soap, sockets, sqlite3, standard, sysvmsg, sysvsem, sysvshm, tokenizer, wddx, xml, xmlreader, xmlrpc, xmlwriter, xsl, yaml, zip, zlib

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