DB Schema error - v 1.54-33

Hi,
I have an extrange DB schema error.
Already tried to run sql queries, with no luck.
Can you please help me?

-bash-4.2$ ./validate.php

Component Version
LibreNMS 1.54-33-g67376e2
DB Schema 2019_07_09_150217_update_users_widgets_settings (140)
PHP 7.2.19
MySQL 5.5.60-MariaDB
RRDTool 1.6.0
SNMP NET-SNMP 5.7.2

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

[OK] Composer Version: 1.9.0
[OK] Dependencies up-to-date.
[OK] Database connection successful
[FAIL] Database: incorrect column (ports_fdb/created_at)
[FAIL] Database: incorrect column (ports_fdb/updated_at)
[FAIL] We have detected that your database schema may be wrong, please report t he following to us on Discord (https://t.libren.ms/discord) or the community sit e (https://t.libren.ms/5gscd):
[FIX]:
Run the following SQL statements to fix.
SQL Statements:
ALTER TABLE ports_fdb CHANGE created_at created_at timestamp NULL ;
ALTER TABLE ports_fdb CHANGE updated_at updated_at timestamp NULL ;


MariaDB [librenms]> ALTER TABLE ports_fdb CHANGE created_at created_at timestamp NULL;
ERROR 1054 (42S22): Unknown column ‘created_at’ in ‘ports_fdb’
MariaDB [librenms]> ALTER TABLE ports_fdb CHANGE updated_at updated_at timestamp NULL;
ERROR 1054 (42S22): Unknown column ‘updated_at’ in ‘ports_fdb’


Best,

Eugenio