cannot create sensor

[CostinRosca]

centos, SElinux, apache 2.4, modescurity 2.9, php 7.22. Almost flawless install (some issues with selinux, but solved). Cannot create sensor. First error, "A name is needed!" even if the name was provided. In logs, lots of lines like this:
[Tue Oct 15 15:43:36.617918 2019] [php7:warn] [pid 32678] [client 193.230.189.1:63773] PHP Warning: count(): Parameter must be an array or an object that implements Countable in /usr/local/waf-fle/functions.php on line 176, referer: https://www.itworks.ro/waf-fle/login.php
[Tue Oct 15 15:43:36.618248 2019] [php7:warn] [pid 32678] [client 193.230.189.1:63773] PHP Warning: count(): Parameter must be an array or an object that implements Countable in /usr/local/waf-fle/functions.php on line 493, referer: https://www.itworks.ro/waf-fle/login.php
[Tue Oct 15 15:43:36.618592 2019] [php7:warn] [pid 32678] [client 193.230.189.1:63773] PHP Warning: count(): Parameter must be an array or an object that implements Countable in /usr/local/waf-fle/functions.php on line 433, referer: https://www.itworks.ro/waf-fle/login.php
[Tue Oct 15 15:43:36.618930 2019] [php7:warn] [pid 32678] [client 193.230.189.1:63773] PHP Warning: count(): Parameter must be an array or an object that implements Countable in /usr/local/waf-fle/functions.php on line 365, referer: https://www.itworks.ro/waf-fle/login.php
[Tue Oct 15 15:43:36.619226 2019] [php7:warn] [pid 32678] [client 193.230.189.1:63773] PHP Warning: count(): Parameter must be an array or an object that implements Countable in /usr/local/waf-fle/functions.php on line 399, referer: https://www.itworks.ro/waf-fle/login.php
[Tue Oct 15 15:43:36.619985 2019] [php7:warn] [pid 32678] [client 193.230.189.1:63773] PHP Warning: count(): Parameter must be an array or an object that implements Countable in /usr/local/waf-fle/functions.php on line 278, referer: https://www.itworks.ro/waf-fle/login.php
[Tue Oct 15 15:43:36.621339 2019] [php7:warn] [pid 32678] [client 193.230.189.1:63773] PHP Warning: count(): Parameter must be an array or an object that implements Countable in /usr/local/waf-fle/functions.php on line 542, referer: https://www.itworks.ro/waf-fle/login.php
[Tue Oct 15 15:43:36.621694 2019] [php7:warn] [pid 32678] [client 193.230.189.1:63773] PHP Warning: count(): Parameter must be an array or an object that implements Countable in /usr/local/waf-fle/functions.php on line 577, referer: https://www.itworks.ro/waf-fle/login.php
[Tue Oct 15 15:43:36.622006 2019] [php7:warn] [pid 32678] [client 193.230.189.1:63773] PHP Warning: count(): Parameter must be an array or an object that implements Countable in /usr/local/waf-fle/functions.php on line 610, referer: https://www.itworks.ro/waf-fle/login.php

i tried another browser, i get "Internal server error". Since then, any browser i try, i get in logs:

[Tue Oct 15 15:44:05.985715 2019] [php7:warn] [pid 32617] [client 193.230.189.1:63810] PHP Warning: Cannot modify header information - headers already sent by (output started at /usr/local/waf-fle/header.php:74) in /usr/local/waf-fle/functions.php on line 2502, referer: https://www.itworks.ro/waf-fle/management.php?New=Sensor
[Tue Oct 15 15:44:05.985746 2019] [php7:warn] [pid 32617] [client 193.230.189.1:63810] PHP Warning: Cannot modify header information - headers already sent by (output started at /usr/local/waf-fle/header.php:74) in /usr/local/waf-fle/functions.php on line 2503, referer: https://www.itworks.ro/waf-fle/management.php?New=Sensor

PLEASE HELP :(

[meniem]

Having the same issue!
Is it not possible to create sensors in waf-fle anymore as per the below link:
#46

@klaubert Please advice.

[fa4fahmed15]

service mlog2waffle start just start
mlog2waffle...
Starting up mlog2waffle in "tail" mode, using config file /etc/mlog2waffle.conf
Error in HTTP connection: 500 Internal Server Error [Failed]