The problem
When adjusting the “Ignore alert tag” in the “Port Settings”, I receive the error “Error creating config item”. The error occurs on every device.
Output of ./validate.php
===========================================
Component | Version
--------- | -------
LibreNMS | 26.9.1-dev.5+d0d54f0c7 (2026-08-24T17:55:49+02:00)
DB Schema | 2026_07_30_162514_add_device_refresh_config_permission (397)
PHP | 8.4.24
Python | 3.11.2
Database | MariaDB 10.11.18-MariaDB-0+deb12u1
RRDTool | 1.7.2
SNMP | 5.9.3
===========================================
[OK] Composer Version: 2.10.2
[OK] Dependencies up-to-date.
[OK] Database Connected
[OK] Database Schema is current
[OK] SQL Server meets minimum requirements
[OK] lower_case_table_names is enabled
[OK] MySQL engine is optimal
[OK] Database and column collations are correct
[OK] Database schema correct
[OK] MySQL and PHP time match
[OK] Active pollers found
[OK] Dispatcher Service not detected
[OK] Locks are functional
[OK] Python poller wrapper is polling
[OK] Redis is unavailable
[OK] rrd_dir is writable
[OK] rrdtool version ok
What was the last working version of LibreNMS?
26.9.1-dev.5+d0d54f0c7