Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 1615 Prepared statement needs to be re-prepared in /var/www/vst/ojs-3.5.0-1/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php:412 Stack trace: #0 /var/www/vst/ojs-3.5.0-1/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(412): PDOStatement->execute() #1 /var/www/vst/ojs-3.5.0-1/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(812): Illuminate\Database\Connection->Illuminate\Database\{closure}() #2 /var/www/vst/ojs-3.5.0-1/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(779): Illuminate\Database\Connection->runQueryCallback() #3 /var/www/vst/ojs-3.5.0-1/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(398): Illuminate\Database\Connection->run() #4 /var/www/vst/ojs-3.5.0-1/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3106): Illuminate\Database\Connection->select() #5 /var/www/vst/ojs-3.5.0-1/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3091): Illuminate\Database\Query\Builder->runSelect() #6 /var/www/vst/ojs-3.5.0-1/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3676): Illuminate\Database\Query\Builder->Illuminate\Database\Query\{closure}() #7 /var/www/vst/ojs-3.5.0-1/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3090): Illuminate\Database\Query\Builder->onceWithColumns() #8 /var/www/vst/ojs-3.5.0-1/lib/pkp/classes/highlight/DAO.php(103): Illuminate\Database\Query\Builder->get() #9 /var/www/vst/ojs-3.5.0-1/lib/pkp/classes/highlight/Collector.php(66): PKP\highlight\DAO->getMany() #10 /var/www/vst/ojs-3.5.0-1/lib/pkp/pages/index/PKPIndexHandler.php(68): PKP\highlight\Collector->getMany() #11 /var/www/vst/ojs-3.5.0-1/pages/index/IndexHandler.php(64): PKP\pages\index\PKPIndexHandler->getHighlights() #12 [internal function]: APP\pages\index\IndexHandler->index() #13 /var/www/vst/ojs-3.5.0-1/lib/pkp/classes/core/PKPRouter.php(327): call_user_func() #14 /var/www/vst/ojs-3.5.0-1/lib/pkp/classes/core/PKPPageRouter.php(249): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest() #15 /var/www/vst/ojs-3.5.0-1/lib/pkp/classes/core/Dispatcher.php(157): PKP\core\PKPPageRouter->route() #16 /var/www/vst/ojs-3.5.0-1/lib/pkp/classes/core/PKPApplication.php(426): PKP\core\Dispatcher->dispatch() #17 /var/www/vst/ojs-3.5.0-1/pages.php(20): PKP\core\PKPApplication->execute() #18 /var/www/vst/ojs-3.5.0-1/index.php(41): include('...') #19 {main} Next Illuminate\Database\QueryException: SQLSTATE[HY000]: General error: 1615 Prepared statement needs to be re-prepared (Connection: mysql, SQL: select `h`.* from `highlights` as `h` where COALESCE(h.context_id, 0) in (3) order by `h`.`sequence` asc) in /var/www/vst/ojs-3.5.0-1/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php:825 Stack trace: #0 /var/www/vst/ojs-3.5.0-1/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(779): Illuminate\Database\Connection->runQueryCallback() #1 /var/www/vst/ojs-3.5.0-1/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(398): Illuminate\Database\Connection->run() #2 /var/www/vst/ojs-3.5.0-1/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3106): Illuminate\Database\Connection->select() #3 /var/www/vst/ojs-3.5.0-1/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3091): Illuminate\Database\Query\Builder->runSelect() #4 /var/www/vst/ojs-3.5.0-1/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3676): Illuminate\Database\Query\Builder->Illuminate\Database\Query\{closure}() #5 /var/www/vst/ojs-3.5.0-1/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3090): Illuminate\Database\Query\Builder->onceWithColumns() #6 /var/www/vst/ojs-3.5.0-1/lib/pkp/classes/highlight/DAO.php(103): Illuminate\Database\Query\Builder->get() #7 /var/www/vst/ojs-3.5.0-1/lib/pkp/classes/highlight/Collector.php(66): PKP\highlight\DAO->getMany() #8 /var/www/vst/ojs-3.5.0-1/lib/pkp/pages/index/PKPIndexHandler.php(68): PKP\highlight\Collector->getMany() #9 /var/www/vst/ojs-3.5.0-1/pages/index/IndexHandler.php(64): PKP\pages\index\PKPIndexHandler->getHighlights() #10 [internal function]: APP\pages\index\IndexHandler->index() #11 /var/www/vst/ojs-3.5.0-1/lib/pkp/classes/core/PKPRouter.php(327): call_user_func() #12 /var/www/vst/ojs-3.5.0-1/lib/pkp/classes/core/PKPPageRouter.php(249): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest() #13 /var/www/vst/ojs-3.5.0-1/lib/pkp/classes/core/Dispatcher.php(157): PKP\core\PKPPageRouter->route() #14 /var/www/vst/ojs-3.5.0-1/lib/pkp/classes/core/PKPApplication.php(426): PKP\core\Dispatcher->dispatch() #15 /var/www/vst/ojs-3.5.0-1/pages.php(20): PKP\core\PKPApplication->execute() #16 /var/www/vst/ojs-3.5.0-1/index.php(41): include('...') #17 {main} thrown in /var/www/vst/ojs-3.5.0-1/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 825