After i update php from 7 to 7.3 and update ojs from 3.1 to 3.2.14 all things work well but at submissions page i faced HTTP 500
and this is my error log
[Thu Jan 23 18:37:31.965990 2020] [:error] [pid 27692] [client 172.21.10.2:51530] PHP Fatal error: Uncaught TypeError: Return value of PKP\Services\QueryBuilders\BaseQueryBuilder::bootstrap() must be an instance of PKP\Services\QueryBuilders\void, none returned in /var/www/html/ojs3/lib/pkp/classes/services/queryBuilders/BaseQueryBuilder.inc.php:65\nStack trace:\n#0 /var/www/html/ojs3/lib/pkp/classes/services/queryBuilders/BaseQueryBuilder.inc.php(30): PKP\Services\QueryBuilders\BaseQueryBuilder->bootstrap()\n#1 /var/www/html/ojs3/lib/pkp/classes/services/queryBuilders/PKPSubmissionListQueryBuilder.inc.php(96): PKP\Services\QueryBuilders\BaseQueryBuilder->__construct()\n#2 /var/www/html/ojs3/classes/services/SubmissionService.inc.php(86): PKP\Services\QueryBuilders\PKPSubmissionListQueryBuilder->__construct('29')\n#3 /var/www/html/ojs3/lib/pkp/classes/services/PKPSubmissionService.inc.php(116): OJS\Services\SubmissionService->getSubmissionListQueryBuilder('29')\n#4 /var/www/html/ojs3/lib/pkp/classes/services/PKPSubmissionService.inc.php(58): PKP\Services\PKPS in /var/www/html/ojs3/lib/pkp/classes/services/queryBuilders/BaseQueryBuilder.inc.php on line 65, referer: https://xxx.com/management/settings/access
[Thu Jan 23 19:12:32.036774 2020] [:error] [pid 404] [client 46.229.168.130:24390] PHP Fatal error: Uncaught TypeError: Return value of PKP\\Services\\QueryBuilders\\BaseQueryBuilder::bootstrap() must be an instance of PKP\\Services\\QueryBuilders\\void, none returned in /var/www/html/ojs3/lib/pkp/classes/services/queryBuilders/BaseQueryBuilder.inc.php:65\nStack trace:\n#0 /var/www/html/ojs3/lib/pkp/classes/services/queryBuilders/BaseQueryBuilder.inc.php(30): PKP\\Services\\QueryBuilders\\BaseQueryBuilder->bootstrap()\n#1 /var/www/html/ojs3/classes/services/queryBuilders/IssueListQueryBuilder.inc.php(56): PKP\\Services\\QueryBuilders\\BaseQueryBuilder->__construct()\n#2 /var/www/html/ojs3/classes/services/IssueService.inc.php(100): OJS\\Services\\QueryBuilders\\IssueListQueryBuilder->__construct('69')\n#3 /var/www/html/ojs3/classes/services/IssueService.inc.php(69): OJS\\Services\\IssueService->_buildGetIssuesQueryObject('69', Array)\n#4 /var/www/html/ojs3/plugins/blocks/volumeArchive/VolumeArchiveBlockPlugin.inc.php(116): OJS\\Services\\IssueService->getIssuesMaxCount('69', Arr in /var/www/html/ojs3/lib/pkp/classes/services/queryBuilders/BaseQueryBuilder.inc.php on line 65