Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 16384 bytes) in /home/syannfom/public_html/system/library/db/mysqli.php on line 18

Fatal error: Uncaught Exception: Error: Commands out of sync; you can't run this command now<br />Error No: 2014<br />REPLACE INTO `ocf2_session` SET session_id = '2a0fc31dffcb6bad075d97b6ab', `data` = '{\"language\":\"en-gb\",\"currency\":\"INR\"}', expire = '2019-02-16 22:50:16' in /home/syannfom/public_html/system/library/db/mysqli.php:40 Stack trace: #0 /home/syannfom/public_html/system/library/db.php(45): DB\MySQLi->query('REPLACE INTO `o...') #1 /home/syannfom/public_html/system/library/session/db.php(32): DB->query('REPLACE INTO `o...') #2 /home/syannfom/public_html/system/library/session.php(81): Session\DB->write('2a0fc31dffcb6ba...', Array) #3 [internal function]: Session->close() #4 {main} thrown in /home/syannfom/public_html/system/library/db/mysqli.php on line 40