CMDPHP ERROR: A DB Exec Failed!, Error: You have an error in your SQL syntax

[Astra312]

10.2.43-MariaDB
PHP 5.6.40

CMDPHP ERROR: A DB Exec Failed!, Error: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 1
CMDPHP SQL Backtrace: (/plugins/mikrotik/poller_mikrotik.php[135]:process_hosts(), /plugins/mikrotik/poller_mikrotik.php[521]:db_execute(), /lib/database.php[238]:db_execute_prepared())

Please help me, perhaps because of this error my mikrotik queue graphics do not work.