Validate Librenms have error

Hi Guys,

I am new with librenms, i got this error when update the latest version.
How i can solve this problem below :

====================================

Component Version
LibreNMS 1.30
DB Schema 203
PHP 7.0.21
MySQL 5.5.52-MariaDB
RRDTool 1.4.8
SNMP NET-SNMP 5.7.2

====================================

[FAIL] It doesn’t look like Net_IPv4 is installed
[FAIL] It doesn’t look like Net_IPv6 is installed
[OK] Database connection successful
[FAIL] Database: incorrect column (ports/ifTrunk)
[FAIL] Database: extra column (sensors/entity_link_index)
[FAIL] Database: extra column (sensors/entity_link_type)
[FAIL] We have detected that your database schema may be wrong, please report the following to us on IRC or the community site (https://t.libren.ms/5gscd):
ALTER TABLE ports CHANGE ifTrunk ifTrunk varchar(8) NULL;
ALTER TABLE sensors DROP entity_link_index;
ALTER TABLE sensors DROP entity_link_type;
[WARN] Your local git branch is not master, this will prevent automatic updates.
[FAIL] Discovery has not completed in the last 24 hours, check the cron job

Thanks.

What distro are you using?

Hi Iaf, I am using CentOS Linux release 7.3.1611 (Core).
is the error because of bug ?

Thanks.

Hi Iaf,

I already solve the problem.

./validate.php

Component Version
LibreNMS 1.30-69-g5dfff22
DB Schema 204
PHP 7.0.21
MySQL 5.5.52-MariaDB
RRDTool 1.4.8
SNMP NET-SNMP 5.7.2

====================================

[OK] Database connection successful
[OK] Database schema correct
[FAIL] Discovery has not completed in the last 24 hours, check the cron job

Thanks.