When we view an issue to be published, it has all the correct articles. But when publishing, we found the following error and none of the articles appear. What could be happening?
after publishing:

preview:

stack trace:
[Mon Aug 23 16:41:38.164493 2021] [php7:error] [pid 32060] [client 172.20.7.116:51777] PHP Fatal error: Uncaught PDOException: SQLSTATE[42P10]: Invalid column reference: 7 ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification in /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php:115\nStack trace:\n#0 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php(115): PDOStatement->execute(NULL)\n#1 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(489): Doctrine\\DBAL\\Driver\\PDOStatement->execute()\n#2 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(664): Illuminate\\Database\\Connection->Illuminate\\Database\\{closure}('insert into "cu...', Array)\n#3 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(631): Illuminate\\Database\\Connection->runQueryCallback('insert into "cu...', Array, Object(Closure))\n#4 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(496): Illuminate\\Database\\Connection->run('insert into "cu...', Array, Object(Closure))\n#5 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/staudenmeir/laravel-upsert/src/Query/Builder.php(92): Illuminate\\Database\\Connection->affectingStatement('insert into "cu...', Array)\n#6 /var/www/ojs-3.3.0-7/lib/pkp/classes/db/DAO.inc.php(150): Staudenmeir\\LaravelUpsert\\Query\\Builder->upsert(Array, Array)\n#7 /var/www/ojs-3.3.0-7/classes/issue/IssueDAO.inc.php(699): DAO->replace('custom_issue_or...', Array, Array)\n#8 /var/www/ojs-3.3.0-7/classes/issue/IssueDAO.inc.php(464): IssueDAO->resequenceCustomIssueOrders(17)\n#9 /var/www/ojs-3.3.0-7/classes/controllers/grid/issues/IssueGridHandler.inc.php(545): IssueDAO->updateObject(Object(Issue))\n#10 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/PKPRouter.inc.php(395): IssueGridHandler->unpublishIssue(Array, Object(Request))\n#11 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/PKPComponentRouter.inc.php(257): PKPRouter->_authorizeInitializeAndCallRequest(Array, Object(Request), Array)\n#12 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/Dispatcher.inc.php(144): PKPComponentRouter->route(Object(Request))\n#13 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/PKPApplication.inc.php(362): Dispatcher->dispatch(Object(Request))\n#14 /var/www/ojs-3.3.0-7/index.php(68): PKPApplication->execute()\n#15 {main}\n\nNext Doctrine\\DBAL\\Driver\\PDO\\Exception: SQLSTATE[42P10]: Invalid column reference: 7 ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification in /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDO/Exception.php:18\nStack trace:\n#0 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php(117): Doctrine\\DBAL\\Driver\\PDO\\Exception::new(Object(PDOException))\n#1 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(489): Doctrine\\DBAL\\Driver\\PDOStatement->execute()\n#2 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(664): Illuminate\\Database\\Connection->Illuminate\\Database\\{closure}('insert into "cu...', Array)\n#3 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(631): Illuminate\\Database\\Connection->runQueryCallback('insert into "cu...', Array, Object(Closure))\n#4 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(496): Illuminate\\Database\\Connection->run('insert into "cu...', Array, Object(Closure))\n#5 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/staudenmeir/laravel-upsert/src/Query/Builder.php(92): Illuminate\\Database\\Connection->affectingStatement('insert into "cu...', Array)\n#6 /var/www/ojs-3.3.0-7/lib/pkp/classes/db/DAO.inc.php(150): Staudenmeir\\LaravelUpsert\\Query\\Builder->upsert(Array, Array)\n#7 /var/www/ojs-3.3.0-7/classes/issue/IssueDAO.inc.php(699): DAO->replace('custom_issue_or...', Array, Array)\n#8 /var/www/ojs-3.3.0-7/classes/issue/IssueDAO.inc.php(464): IssueDAO->resequenceCustomIssueOrders(17)\n#9 /var/www/ojs-3.3.0-7/classes/controllers/grid/issues/IssueGridHandler.inc.php(545): IssueDAO->updateObject(Object(Issue))\n#10 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/PKPRouter.inc.php(395): IssueGridHandler->unpublishIssue(Array, Object(Request))\n#11 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/PKPComponentRouter.inc.php(257): PKPRouter->_authorizeInitializeAndCallRequest(Array, Object(Request), Array)\n#12 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/Dispatcher.inc.php(144): PKPComponentRouter->route(Object(Request))\n#13 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/PKPApplication.inc.php(362): Dispatcher->dispatch(Object(Request))\n#14 /var/www/ojs-3.3.0-7/index.php(68): PKPApplication->execute()\n#15 {main}\n\nNext Illuminate\\Database\\QueryException: SQLSTATE[42P10]: Invalid column reference: 7 ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification (SQL: insert into "custom_issue_orders" ("issue_id", "journal_id", "seq") values (1329, 17, 1) on conflict ("issue_id", "journal_id") do update set "issue_id" = "excluded"."issue_id", "journal_id" = "excluded"."journal_id", "seq" = "excluded"."seq") in /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php:671\nStack trace:\n#0 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(631): Illuminate\\Database\\Connection->runQueryCallback('insert into "cu...', Array, Object(Closure))\n#1 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(496): Illuminate\\Database\\Connection->run('insert into "cu...', Array, Object(Closure))\n#2 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/staudenmeir/laravel-upsert/src/Query/Builder.php(92): Illuminate\\Database\\Connection->affectingStatement('insert into "cu...', Array)\n#3 /var/www/ojs-3.3.0-7/lib/pkp/classes/db/DAO.inc.php(150): Staudenmeir\\LaravelUpsert\\Query\\Builder->upsert(Array, Array)\n#4 /var/www/ojs-3.3.0-7/classes/issue/IssueDAO.inc.php(699): DAO->replace('custom_issue_or...', Array, Array)\n#5 /var/www/ojs-3.3.0-7/classes/issue/IssueDAO.inc.php(464): IssueDAO->resequenceCustomIssueOrders(17)\n#6 /var/www/ojs-3.3.0-7/classes/controllers/grid/issues/IssueGridHandler.inc.php(545): IssueDAO->updateObject(Object(Issue))\n#7 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/PKPRouter.inc.php(395): IssueGridHandler->unpublishIssue(Array, Object(Request))\n#8 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/PKPComponentRouter.inc.php(257): PKPRouter->_authorizeInitializeAndCallRequest(Array, Object(Request), Array)\n#9 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/Dispatcher.inc.php(144): PKPComponentRouter->route(Object(Request))\n#10 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/PKPApplication.inc.php(362): Dispatcher->dispatch(Object(Request))\n#11 /var/www/ojs-3.3.0-7/index.php(68): PKPApplication->execute()\n#12 {main}\n thrown in /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 671, referer: https://periodicos.ufes.br/simbiotica/manageIssues
[Mon Aug 23 16:41:55.636933 2021] [php7:error] [pid 31725] [client 172.20.7.116:56960] PHP Fatal error: Uncaught PDOException: SQLSTATE[42P10]: Invalid column reference: 7 ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification in /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php:115\nStack trace:\n#0 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php(115): PDOStatement->execute(NULL)\n#1 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(489): Doctrine\\DBAL\\Driver\\PDOStatement->execute()\n#2 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(664): Illuminate\\Database\\Connection->Illuminate\\Database\\{closure}('insert into "cu...', Array)\n#3 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(631): Illuminate\\Database\\Connection->runQueryCallback('insert into "cu...', Array, Object(Closure))\n#4 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(496): Illuminate\\Database\\Connection->run('insert into "cu...', Array, Object(Closure))\n#5 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/staudenmeir/laravel-upsert/src/Query/Builder.php(92): Illuminate\\Database\\Connection->affectingStatement('insert into "cu...', Array)\n#6 /var/www/ojs-3.3.0-7/lib/pkp/classes/db/DAO.inc.php(150): Staudenmeir\\LaravelUpsert\\Query\\Builder->upsert(Array, Array)\n#7 /var/www/ojs-3.3.0-7/classes/issue/IssueDAO.inc.php(699): DAO->replace('custom_issue_or...', Array, Array)\n#8 /var/www/ojs-3.3.0-7/classes/issue/IssueDAO.inc.php(464): IssueDAO->resequenceCustomIssueOrders(17)\n#9 /var/www/ojs-3.3.0-7/classes/issue/IssueDAO.inc.php(270): IssueDAO->updateObject(Object(Issue))\n#10 /var/www/ojs-3.3.0-7/classes/controllers/grid/issues/IssueGridHandler.inc.php(481): IssueDAO->updateCurrent(17, Object(Issue))\n#11 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/PKPRouter.inc.php(395): IssueGridHandler->publishIssue(Array, Object(Request))\n#12 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/PKPComponentRouter.inc.php(257): PKPRouter->_authorizeInitializeAndCallRequest(Array, Object(Request), Array)\n#13 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/Dispatcher.inc.php(144): PKPComponentRouter->route(Object(Request))\n#14 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/PKPApplication.inc.php(362): Dispatcher->dispatch(Object(Request))\n#15 /var/www/ojs-3.3.0-7/index.php(68): PKPApplication->execute()\n#16 {main}\n\nNext Doctrine\\DBAL\\Driver\\PDO\\Exception: SQLSTATE[42P10]: Invalid column reference: 7 ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification in /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDO/Exception.php:18\nStack trace:\n#0 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php(117): Doctrine\\DBAL\\Driver\\PDO\\Exception::new(Object(PDOException))\n#1 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(489): Doctrine\\DBAL\\Driver\\PDOStatement->execute()\n#2 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(664): Illuminate\\Database\\Connection->Illuminate\\Database\\{closure}('insert into "cu...', Array)\n#3 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(631): Illuminate\\Database\\Connection->runQueryCallback('insert into "cu...', Array, Object(Closure))\n#4 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(496): Illuminate\\Database\\Connection->run('insert into "cu...', Array, Object(Closure))\n#5 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/staudenmeir/laravel-upsert/src/Query/Builder.php(92): Illuminate\\Database\\Connection->affectingStatement('insert into "cu...', Array)\n#6 /var/www/ojs-3.3.0-7/lib/pkp/classes/db/DAO.inc.php(150): Staudenmeir\\LaravelUpsert\\Query\\Builder->upsert(Array, Array)\n#7 /var/www/ojs-3.3.0-7/classes/issue/IssueDAO.inc.php(699): DAO->replace('custom_issue_or...', Array, Array)\n#8 /var/www/ojs-3.3.0-7/classes/issue/IssueDAO.inc.php(464): IssueDAO->resequenceCustomIssueOrders(17)\n#9 /var/www/ojs-3.3.0-7/classes/issue/IssueDAO.inc.php(270): IssueDAO->updateObject(Object(Issue))\n#10 /var/www/ojs-3.3.0-7/classes/controllers/grid/issues/IssueGridHandler.inc.php(481): IssueDAO->updateCurrent(17, Object(Issue))\n#11 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/PKPRouter.inc.php(395): IssueGridHandler->publishIssue(Array, Object(Request))\n#12 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/PKPComponentRouter.inc.php(257): PKPRouter->_authorizeInitializeAndCallRequest(Array, Object(Request), Array)\n#13 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/Dispatcher.inc.php(144): PKPComponentRouter->route(Object(Request))\n#14 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/PKPApplication.inc.php(362): Dispatcher->dispatch(Object(Request))\n#15 /var/www/ojs-3.3.0-7/index.php(68): PKPApplication->execute()\n#16 {main}\n\nNext Illuminate\\Database\\QueryException: SQLSTATE[42P10]: Invalid column reference: 7 ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification (SQL: insert into "custom_issue_orders" ("issue_id", "journal_id", "seq") values (1329, 17, 1) on conflict ("issue_id", "journal_id") do update set "issue_id" = "excluded"."issue_id", "journal_id" = "excluded"."journal_id", "seq" = "excluded"."seq") in /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php:671\nStack trace:\n#0 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(631): Illuminate\\Database\\Connection->runQueryCallback('insert into "cu...', Array, Object(Closure))\n#1 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(496): Illuminate\\Database\\Connection->run('insert into "cu...', Array, Object(Closure))\n#2 /var/www/ojs-3.3.0-7/lib/pkp/lib/vendor/staudenmeir/laravel-upsert/src/Query/Builder.php(92): Illuminate\\Database\\Connection->affectingStatement('insert into "cu...', Array)\n#3 /var/www/ojs-3.3.0-7/lib/pkp/classes/db/DAO.inc.php(150): Staudenmeir\\LaravelUpsert\\Query\\Builder->upsert(Array, Array)\n#4 /var/www/ojs-3.3.0-7/classes/issue/IssueDAO.inc.php(699): DAO->replace('custom_issue_or...', Array, Array)\n#5 /var/www/ojs-3.3.0-7/classes/issue/IssueDAO.inc.php(464): IssueDAO->resequenceCustomIssueOrders(17)\n#6 /var/www/ojs-3.3.0-7/classes/issue/IssueDAO.inc.php(270): IssueDAO->updateObject(Object(Issue))\n#7 /var/www/ojs-3.3.0-7/classes/controllers/grid/issues/IssueGridHandler.inc.php(481): IssueDAO->updateCurrent(17, Object(Issue))\n#8 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/PKPRouter.inc.php(395): IssueGridHandler->publishIssue(Array, Object(Request))\n#9 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/PKPComponentRouter.inc.php(257): PKPRouter->_authorizeInitializeAndCallRequest(Array, Object(Request), Array)\n#10 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/Dispatcher.inc.php(144): PKPComponentRouter->route(Object(Request))\n#11 /var/www/ojs-3.3.0-7/lib/pkp/classes/core/PKPApplication.i
regards,