FILE: /home/bitrix/ext_www/bookling.ua/bitrix/modules/main/classes/general/user.php<br> LINE: 4004<br><font color=#ff0000>MySQL Query Error: SELECT G.SECURITY_POLICY FROM b_group G WHERE G.ID=2</font>[[2006] MySQL server has gone away]<br><br>
<table cellpadding="1" cellspacing="0" width="35%" bgcolor="#9C9A9C">
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		<td><table cellpadding="5" cellspacing="0" width="100%">
			<tr>
				<td bgcolor="#FFFFFF" align="center">
					<FONT face="Verdana, Arial, Helvetica, sans-serif" size="-1">
					<font color="#FF0000"><b>DB query error.</b></font><br>
					Please try later.
					</font><br>
									</td>
			</tr>
		</table></td>
	</tr>
</table>
<br><br><br>
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<b>Fatal error</b>:  Uncaught Bitrix\Main\DB\SqlQueryException: Mysql query error: (2006) MySQL server has gone away in /home/bitrix/ext_www/bookling.ua/bitrix/modules/main/lib/db/mysqliconnection.php:137
Stack trace:
#0 /home/bitrix/ext_www/bookling.ua/bitrix/modules/main/lib/db/connection.php(330): Bitrix\Main\DB\MysqliConnection-&gt;queryInternal('DELETE FROM `b_...', Array, NULL)
#1 /home/bitrix/ext_www/bookling.ua/bitrix/modules/main/lib/db/connection.php(379): Bitrix\Main\DB\Connection-&gt;query('DELETE FROM `b_...', NULL)
#2 /home/bitrix/ext_www/bookling.ua/bitrix/modules/main/lib/orm/data/datamanager.php(1624): Bitrix\Main\DB\Connection-&gt;queryExecute('DELETE FROM `b_...')
#3 /home/bitrix/ext_www/bookling.ua/bitrix/modules/security/classes/general/session_db.php(100): Bitrix\Main\ORM\Data\DataManager::delete(Array)
#4 /home/bitrix/ext_www/bookling.ua/bitrix/modules/security/classes/general/session_handler.php(28): CSecuritySessionDB::write('CuEHjUE4p2paZhM...', '')
#5 [internal function]: CSecuritySessionHandler-&gt;write('CuEHjUE4 in <b>/home/bitrix/ext_www/bookling.ua/bitrix/modules/main/lib/db/mysqliconnection.php</b> on line <b>137</b><br />