[20-Nov-2020 18:46:30 UTC] PHP Fatal error:  Uncaught Exception: Error: Multiple primary key defined<br />Error No: 1068<br />

ALTER TABLE `oc_address`
  ADD PRIMARY KEY (`address_id`),
  ADD KEY `customer_id` (`customer_id`);
 in /home/trattoriafresca/online.trattoriafresca.ro/opencart/system/library/db/mysqli.php:40
Stack trace:
#0 /home/trattoriafresca/online.trattoriafresca.ro/opencart/system/library/db.php(45): DB\MySQLi->query('\n\nALTER TABLE `...')
#1 /home/trattoriafresca/online.trattoriafresca.ro/opencart/install/model/install/install.php(26): DB->query('\n\nALTER TABLE `...')
#2 /home/trattoriafresca/online.trattoriafresca.ro/opencart/system/storage/modification/system/engine/loader.php(248): ModelInstallInstall->database(Array)
#3 /home/trattoriafresca/online.trattoriafresca.ro/opencart/system/engine/proxy.php(47): Loader->{closure}(Array, Array)
#4 /home/trattoriafresca/online.trattoriafresca.ro/opencart/install/controller/install/step_3.php(11): Proxy->__call('database', Array)
#5 /home/trattoriafresca/online.trattoriafresca.ro/opencart/s in /home/trattoriafresca/online.trattoriafresca.ro/opencart/system/library/db/mysqli.php on line 40
