Erro connecting to database

Hello, I can’t resolve it

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Component Version
LibreNMS 1.53.1-24-gd4c1092
DB Schema 2019_05_30_225937_device_groups_rewrite (135)
PHP 7.2.19
MySQL 5.5.60-MariaDB
RRDTool 1.4.8
SNMP NET-SNMP 5.7.2

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[OK] Composer Version: 1.8.6
[OK] Dependencies up-to-date.
[OK] Database connection successful
[OK] Database schema correct
[WARN] You have not added any devices yet.
[FIX]:
You can add a device in the webui or with ./addhost.php
[WARN] Your local git contains modified files, this could prevent automatic updates.
[FIX]:
You can fix this with ./scripts/github-remove
Modified Files:
bootstrap/cache/.gitignore
logs/.gitignore
rrd/.gitignore
storage/app/.gitignore
storage/app/public/.gitignore
storage/debugbar/.gitignore
storage/framework/cache/.gitignore
storage/framework/cache/data/.gitignore
storage/framework/sessions/.gitignore
storage/framework/testing/.gitignore
storage/framework/views/.gitignore
storage/logs/.gitignore

Please, help me