First install. problem with building database

hi, this is my first time with databases and librenms. now iam at the web installer stage, trying to building database and have erorr:

Migrating: 2018_07_03_091314_create_alert_rules_table
SQLSTATE[42000]: Syntax error or access violation: 1071 Specified key was too long; max key length is 767 bytes (SQL: alter table alert_rules add unique alert_rules_name_unique(name))

my ./validate.php


Component Version
LibreNMS 21.3.0-66-g8c2a5d5
DB Schema 2018_07_03_091314_create_alert_log_table (4)
PHP 7.3.27
Python 3.6.8
MySQL 5.5.68-MariaDB
RRDTool 1.4.8


[OK] Composer Version: 2.0.11
[OK] Dependencies up-to-date.

its centos 7, apache 2.4.6
sorry for my stupidness and english iam noob from russia :slight_smile:

I think your MariaDB is too old.
The minimum supported MariaDB is 10.2.2.


thank you a lot! it works!
will deal with further problems :expressionless: