Back up crash with backWPup

Hello,

I am using the plugin backWPup to back up my website but it systematically crashes at 63% create archive and 74% try to create backup archive

Here below is the debugg info:

WordPress version: 5.4.2
BackWPup version: 3.7.1
PHP version: 7.3.12 (64bit)
MySQL version: 5.6.43
cURL version: 7.62.0
cURL SSL version: OpenSSL/1.0.2k
WP-Cron url: https://dopaigo.io/wp-cron.php
Server self connect: Response Test O.K.
Document root: /home/cp691422/public_html/dopaigo.io
Temp folder: /home/cp691422/public_html/dopaigo.io/wp-content/uploads/backwpup-1ee1ad-temp/
Log folder: /home/cp691422/public_html/dopaigo.io/wp-content/uploads/backwpup-1ee1ad-logs/
Server: Apache
Operating System: Linux
PHP SAPI: litespeed
Current PHP user: cp691422
Maximum execution time: 90 seconds
BackWPup maximum script execution time: 24 seconds
Alternative WP Cron: Off
Disabled WP Cron: Off
CHMOD Dir: 0755
Server Time: 7:24
Blog Time: 14:24
Blog Timezone:
Blog Time offset: 7 hours
Blog language: en-US
MySQL Client encoding: utf8mb4
PHP Memory limit: 256M
WP memory limit: 256M
WP maximum memory limit: 256M
Memory in use: 54.50 MB
Loaded PHP Extensions:: Core, PDO, Phar, Reflection, SPL, SimpleXML, bcmath, bz2, calendar, ctype, curl, date, dom, exif, filter, ftp, gd, gettext, gmp, hash, iconv, imap, json, libxml, litespeed, mbstring, mysqli, mysqlnd, openssl, pcntl, pcre, pdo_mysql, pdo_sqlite, posix, readline, session, shmop, sockets, sqlite3, standard, tokenizer, wddx, xml, xmlreader, xmlwriter, xsl, zlib

Can you please assist ?

Thank you,