ERROR in mysqli_driver.php

Hello.

I am having a  problem with mysqli_driver.php.

ERROR - 2018-01-21 16:06:50 --> Severity: Warning --> mysqli::query(): MySQL server has gone away ...\system\database\drivers\mysqli\mysqli_driver.php 305
ERROR - 2018-01-21 16:06:50 --> Severity: Warning --> mysqli::query(): Error reading result set's header ...\system\database\drivers\mysqli\mysqli_driver.php 305
ERROR - 2018-01-21 16:06:50 --> Query error: MySQL server has gone away - Invalid query: SELECT * FROM `shoes` WHERE `strId` = '0047TANWU' LIMIT 1

The table `shoes` is have 530 000 rows...

How can I fix this error?