I think I found the problem in the system status. I saw 3 things highlighted.
WP Memory limit is too low
PHP Time limit is too low
PHP Max input Vars is too low
THEME INFO
Theme Name : Intrace
Theme Version : 1.1.0 WordPress Environment
Home URL : https://projetlimonade.ca/
Site URL : https://projetlimonade.ca
Login URL : https://projetlimonade.ca/wp-login.php
WP Version : 6.3.1
WP Multisite : -
WP Debug Mode : Disabled
PHP Memory Limit : 256M
WP Memory Limit : 40M
WP Language : fr_FR
WP Upload Directory : ?
Number of Category : 1
Number of Tag : 0 Server Environment
Server Info : LiteSpeed
PHP Version : 7.4.33
PHP Post Max Size : 8M
PHP Time Limit : 30
PHP Max Input Vars : 1000
SUHOSIN Installed : -
WP Remote Get : ?
PHP Image library installed : ?
PHP GD library installed : ?
PHP GD WebP supported : ?
PHP fileinfo library installed : ?
CURL Installed : ? Active Plugins
Backuply : by Softaculous - 1.1.8
FileOrganizer : by Softaculous Team - 1.0.2
GoSMTP : by Softaculous Team - 1.0.3
Gutenverse : by Jegstudio - 1.8.8
LiteSpeed Cache : by LiteSpeed Technologies - 5.6
Loginizer : by Softaculous - 1.8.1
SpeedyCache : by Softaculous Team - 1.1.0
Under Construction : by WebFactory Ltd - 3.97
