Good Morning,
I found this errors in my web server when I upgraded my installation:
[Wed Apr 04 10:39:51.725827 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP Strict standards: Declaration of SubmissionFileDAO::fromRow() should be compatible with PKPSubmissionFileDAO::fromRow($row, $fileImplementation) in C:\wamp\www\ojs.herpetos.org\classes\article\SubmissionFileDAO.inc.php on line 23, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.726327 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP Stack trace:, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.726327 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 1. {main}() C:\wamp\www\ojs.herpetos.org\index.php:0, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.726327 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 2. PKPApplication->execute() C:\wamp\www\ojs.herpetos.org\index.php:68, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.726327 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 3. Dispatcher->dispatch() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\core\PKPApplication.inc.php:243, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.726327 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 4. PKPPageRouter->route() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\core\Dispatcher.inc.php:134, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.726327 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 5. PKPRouter->_authorizeInitializeAndCallRequest() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\core\PKPPageRouter.inc.php:233, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.726327 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 6. call_user_func() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\core\PKPRouter.inc.php:372, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.726327 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 7. InstallHandler->installUpgrade() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\core\PKPRouter.inc.php:372, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.726327 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 8. UpgradeForm->execute() C:\wamp\www\ojs.herpetos.org\lib\pkp\pages\install\InstallHandler.inc.php:104, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.726327 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 9. Installer->execute() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\install\form\UpgradeForm.inc.php:40, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.726327 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 10. Installer->executeInstaller() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\install\Installer.inc.php:186, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.726327 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 11. Installer->executeAction() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\install\Installer.inc.php:265, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.726327 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 12. call_user_func() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\install\Installer.inc.php:415, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.726327 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 13. Upgrade->fixGenreIdInFileNames() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\install\Installer.inc.php:415, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.726327 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 14. DAORegistry::getDAO() C:\wamp\www\ojs.herpetos.org\classes\install\Upgrade.inc.php:2465, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.726327 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 15. instantiate() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\db\DAORegistry.inc.php:68, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.726327 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 16. import() C:\wamp\www\ojs.herpetos.org\lib\pkp\includes\functions.inc.php:203, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.726827 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 17. require_once() C:\wamp\www\ojs.herpetos.org\lib\pkp\includes\functions.inc.php:25, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.751831 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP Fatal error: Call to a member function getId() on a non-object in C:\wamp\www\ojs.herpetos.org\classes\install\Upgrade.inc.php on line 2480, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.751831 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP Stack trace:, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.751831 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 1. {main}() C:\wamp\www\ojs.herpetos.org\index.php:0, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.751831 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 2. PKPApplication->execute() C:\wamp\www\ojs.herpetos.org\index.php:68, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.751831 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 3. Dispatcher->dispatch() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\core\PKPApplication.inc.php:243, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.751831 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 4. PKPPageRouter->route() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\core\Dispatcher.inc.php:134, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.751831 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 5. PKPRouter->_authorizeInitializeAndCallRequest() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\core\PKPPageRouter.inc.php:233, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.751831 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 6. call_user_func() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\core\PKPRouter.inc.php:372, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.751831 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 7. InstallHandler->installUpgrade() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\core\PKPRouter.inc.php:372, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.751831 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 8. UpgradeForm->execute() C:\wamp\www\ojs.herpetos.org\lib\pkp\pages\install\InstallHandler.inc.php:104, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.751831 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 9. Installer->execute() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\install\form\UpgradeForm.inc.php:40, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.751831 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 10. Installer->executeInstaller() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\install\Installer.inc.php:186, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.751831 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 11. Installer->executeAction() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\install\Installer.inc.php:265, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.751831 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 12. call_user_func() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\install\Installer.inc.php:415, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
[Wed Apr 04 10:39:51.751831 2018] [:error] [pid 9240:tid 868] [client ::1:55226] PHP 13. Upgrade->fixGenreIdInFileNames() C:\wamp\www\ojs.herpetos.org\lib\pkp\classes\install\Installer.inc.php:415, referer: http://localhost/ojs.herpetos.org/index.php/index/install/upgrade
Can somebody explain me what happened?
Thank You.