Bug - Can't add group

[wrkilu]

Hi,
I have Php v.7.4. And when I'm trying create first group there is error and in error.log I have:

[Tue Mar 07 23:46:42.335206 2023] [php7:notice] [pid 5100] [client 193.164.255.18:50281] PHP Notice: Undefined index: comment in /var/www/html/ProFTPd-Admin/add_user.php on line 135, referer: http://test.sdata.net.pl:8080/add_group.php
[Tue Mar 07 23:46:46.616239 2023] [php7:warn] [pid 5100] [client 193.164.255.18:50281] PHP Warning: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'groups ORDER BY gid ASC' at line 1 in /var/www/html/ProFTPd-Admin/includes/ez_sql_mysqli.php on line 272, referer: http://test.sdata.net.pl:8080/add_user.php
[Tue Mar 07 23:47:21.609962 2023] [php7:warn] [pid 5102] [client 193.164.255.18:50294] PHP Warning: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'groups WHERE groupname="pierwsza"' at line 1 in /var/www/html/ProFTPd-Admin/includes/ez_sql_mysqli.php on line 272, referer: http://test.sdata.net.pl:8080/add_group.php
[Tue Mar 07 23:47:21.610064 2023] [php7:notice] [pid 5102] [client 193.164.255.18:50294] PHP Notice: Trying to access array offset on value of type null in /var/www/html/ProFTPd-Admin/includes/ez_sql_core.php on line 170, referer: http://test.sdata.net.pl:8080/add_group.php
[Tue Mar 07 23:47:21.610179 2023] [php7:warn] [pid 5102] [client 193.164.255.18:50294] PHP Warning: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'groups WHERE gid="1101"' at line 1 in /var/www/html/ProFTPd-Admin/includes/ez_sql_mysqli.php on line 272, referer: http://test.sdata.net.pl:8080/add_group.php
[Tue Mar 07 23:47:21.610197 2023] [php7:notice] [pid 5102] [client 193.164.255.18:50294] PHP Notice: Trying to access array offset on value of type null in /var/www/html/ProFTPd-Admin/includes/ez_sql_core.php on line 170, referer: http://test.sdata.net.pl:8080/add_group.php
[Tue Mar 07 23:47:21.610296 2023] [php7:warn] [pid 5102] [client 193.164.255.18:50294] PHP Warning: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'groups (groupname,gid,members) VALUES ("pierwsza","1101","")' at line 1 in /var/www/html/ProFTPd-Admin/includes/ez_sql_mysqli.php on line 272, referer: http://test.sdata.net.pl:8080/add_group.php

Could you help ?
Thank you.