./validate.php is giving errors, help to solve those errors

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Component Version
LibreNMS 74c7611bcadbfbc705317d8fdc78951241fdd26b
DB Schema 190
PHP 7.0.15-0ubuntu0.16.04.2
MySQL 5.7.17-0ubuntu0.16.04.1
RRDTool 1.5.5
SNMP NET-SNMP 5.7.3

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[WARN] Your install is out of date, last update: Mon, 15 May 2017 22:07:14 +0000
[OK] Database connection successful
[FAIL] Database: missing index (applications/unique_index)
[FAIL] Database: missing index (config/uniqueindex_configname)
[FAIL] Database: missing column (users/remember_token)
[FAIL] Database: incorrect column (users/updated_at)
[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 applications ADD UNIQUE unique_index (device_id,app_type);
ALTER TABLE config ADD UNIQUE uniqueindex_configname (config_name);
ALTER TABLE users ADD remember_token varchar(100) NULL AFTER realname;
ALTER TABLE users CHANGE updated_at updated_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP;

any comments on this issue

You’d have been better to read the output of validate, which tells you to post this here. However you can run those commands in mysql to fix the issue

solved, thank you!!