some zabbix-extras issue on 2.4.6

[andrea.consadori]

hi, i just install zabbix extras and i've some error under centos 6:

1- Event Management
Missing argument 2 for getPagingLine(), called in /usr/share/zabbix/zbxe-em.php on line 880 and defined [zbxe-em.php:880 → getPagingLine() in /usr/share/zabbix/include/func.inc.php:1463]

2- Costs
Missing argument 2 for getPagingLine(), called in /usr/share/zabbix/zbxe-sc.php on line 292 and defined [zbxe-sc.php:292 → getPagingLine() in /usr/share/zabbix/include/func.inc.php:1463]

3- hs tree
Failed to read Zabbix conf, see settings in __conf.php file.

[kgbeast]

doorstop

Have the same error. so nice to see that the zabbix forums, mediation and support does NOT help on their platform.
This platform is NOT enterprise/carrier grade.