Hi everyone, in one of our installation of OJS, we have problems with display and processing, very often does not open the pages continues to turn the wheel and does not complete the actions, do you have any suggestions on how to solve this? I attach a php error to check:
[Tue Nov 16 00:02:15.348842 2021] [php7:notice] [pid 22360:tid 139952339789568] [client 10.200.225.10:45880] ojs2: 404 Not Found
[Tue Nov 16 00:05:44.893470 2021] [php7:warn] [pid 22352:tid 139952272647936] [client 10.200.225.10:49472] PHP Warning: include(/var/www/vhosts/agroengineering.org/cache/fc-pluginSettings-0-crossrefreferencelinkingplugin.php): failed to open stream: No such file or directory in /var/www/vhosts/agroengineering.org/lib/pkp/classes/cache/FileCache.inc.php on line 46
[Tue Nov 16 00:05:44.893582 2021] [php7:warn] [pid 22352:tid 139952272647936] [client 10.200.225.10:49472] PHP Warning: include(): Failed opening '/var/www/vhosts/agroengineering.org/cache/fc-pluginSettings-0-crossrefreferencelinkingplugin.php' for inclusion (include_path='.:/usr/share/pear:/usr/share/php') in /var/www/vhosts/agroengineering.org/lib/pkp/classes/cache/FileCache.inc.php on line 46
[Tue Nov 16 00:15:24.355294 2021] [php7:error] [pid 23427:tid 139952213899008] [client 10.200.225.10:60476] PHP Fatal error: Uncaught PDOException: SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry 'g1a6m3vvlcckb7hbda1d4ctmpt' for key 'sessions_pkey' in /var/www/vhosts/agroengineering.org/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php:115\nStack trace:\n#0 /var/www/vhosts/agroengineering.org/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php(115): PDOStatement->execute(NULL)\n#1 /var/www/vhosts/agroengineering.org/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(489): Doctrine\\DBAL\\Driver\\PDOStatement->execute()\n#2 /var/www/vhosts/agroengineering.org/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(664): Illuminate\\Database\\Connection->Illuminate\\Database\\{closure}('INSERT INTO ses...', Array)\n#3 /var/www/vhosts/agroengineering.org/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(631): Illuminate\\Database\\Connection->runQueryCallback('INSERT INTO ses...', Array, Object(Closure))\n#4 /v in /var/www/vhosts/agroengineering.org/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 671
[Tue Nov 16 00:15:24.864806 2021] [php7:error] [pid 23499:tid 139952323004160] [client 10.200.225.10:60512] PHP Fatal error: Uncaught PDOException: SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry 'udoatvk40qa4kglnfi5d97ok3d' for key 'sessions_pkey' in /var/www/vhosts/agroengineering.org/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php:115\nStack trace:\n#0 /var/www/vhosts/agroengineering.org/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php(115): PDOStatement->execute(NULL)\n#1 /var/www/vhosts/agroengineering.org/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(489): Doctrine\\DBAL\\Driver\\PDOStatement->execute()\n#2 /var/www/vhosts/agroengineering.org/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(664): Illuminate\\Database\\Connection->Illuminate\\Database\\{closure}('INSERT INTO ses...', Array)\n#3 /var/www/vhosts/agroengineering.org/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(631): Illuminate\\Database\\Connection->runQueryCallback('INSERT INTO ses...', Array, Object(Closure))\n#4 /v in /var/www/vhosts/agroengineering.org/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 671
[Tue Nov 16 01:15:50.238045 2021] [php7:warn] [pid 1323:tid 139652571145984] [client 10.200.225.10:40430] PHP Warning: include(/var/www/vhosts/agroengineering.org/cache/fc-pluginSettings-0-recommendbysimilarityplugin.php): failed to open stream: No such file or directory in /var/www/vhosts/agroengineering.org/lib/pkp/classes/cache/FileCache.inc.php on line 46
[Tue Nov 16 01:15:50.278276 2021] [php7:warn] [pid 1323:tid 139652571145984] [client 10.200.225.10:40430] PHP Warning: include(): Failed opening '/var/www/vhosts/agroengineering.org/cache/fc-pluginSettings-0-recommendbysimilarityplugin.php' for inclusion (include_path='.:/usr/share/pear:/usr/share/php') in /var/www/vhosts/agroengineering.org/lib/pkp/classes/cache/FileCache.inc.php on line 46
[Tue Nov 16 01:16:25.626909 2021] [php7:notice] [pid 1323:tid 139652447061760] [client 10.200.225.10:41198] PHP Notice: Only variables should be assigned by reference in /var/www/vhosts/agroengineering.org/plugins/generic/formHoneypot/FormHoneypotPlugin.inc.php on line 204, referer: https://www.agroengineering.org/
[Tue Nov 16 01:16:25.626993 2021] [php7:notice] [pid 1323:tid 139652447061760] [client 10.200.225.10:41198] PHP Notice: Only variables should be assigned by reference in /var/www/vhosts/agroengineering.org/plugins/generic/formHoneypot/FormHoneypotPlugin.inc.php on line 205, referer: https://www.agroengineering.org/
[Tue Nov 16 01:19:10.121745 2021] [php7:notice] [pid 1323:tid 139652363134720] [client 10.200.225.10:44408] PHP Notice: Only variables should be assigned by reference in /var/www/vhosts/agroengineering.org/plugins/generic/formHoneypot/FormHoneypotPlugin.inc.php on line 204, referer: https://www.agroengineering.org/index.php/jae/user/register
[Tue Nov 16 01:19:10.121804 2021] [php7:notice] [pid 1323:tid 139652363134720] [client 10.200.225.10:44408] PHP Notice: Only variables should be assigned by reference in /var/www/vhosts/agroengineering.org/plugins/generic/formHoneypot/FormHoneypotPlugin.inc.php on line 205, referer: https://www.agroengineering.org/index.php/jae/user/register
[Tue Nov 16 02:25:54.594452 2021] [php7:notice] [pid 1323:tid 139652321171200] [client 10.200.225.10:50210] PHP Notice: Only variable references should be returned by reference in /var/www/vhosts/agroengineering.org/lib/pkp/classes/security/AccessKeyDAO.inc.php on line 76
[Tue Nov 16 03:17:56.942365 2021] [php7:notice] [pid 1418:tid 139652337956608] [client 10.200.225.10:44458] ojs2: 404 Not Found, referer: https://www.agroengineering.org/plugins/generic/hypothesis/pdf.js/viewer/web/viewer.html?file=https%3A%2F%2Fwww.agroengineering.org%2Findex.php%2Fjae%2Farticle%2Fdownload%2F1209%2F924%2F7862
[Tue Nov 16 03:18:09.349166 2021] [php7:notice] [pid 1323:tid 139652329563904] [client 10.200.225.10:44640] ojs2: 404 Not Found, referer: https://www.agroengineering.org/plugins/generic/hypothesis/pdf.js/viewer/web/viewer.html?file=https%3A%2F%2Fwww.agroengineering.org%2Findex.php%2Fjae%2Farticle%2Fdownload%2F1209%2F924%2F7862
[Tue Nov 16 03:29:24.633342 2021] [php7:notice] [pid 2118:tid 139652447061760] [client 10.200.225.10:56758] ojs2: 404 Not Found, referer: https://www.agroengineering.org/plugins/generic/hypothesis/pdf.js/viewer/web/viewer.html?file=https%3A%2F%2Fwww.agroengineering.org%2Findex.php%2Fjae%2Farticle%2Fdownload%2F1172%2F917%2F7855
[Tue Nov 16 03:30:45.420348 2021] [php7:notice] [pid 1418:tid 139652354742016] [client 10.200.225.10:58444] ojs2: 404 Not Found, referer: https://www.agroengineering.org/plugins/generic/hypothesis/pdf.js/viewer/web/viewer.html?file=https%3A%2F%2Fwww.agroengineering.org%2Findex.php%2Fjae%2Farticle%2Fdownload%2F1144%2F914%2F7852
[Tue Nov 16 03:36:29.684321 2021] [php7:notice] [pid 1756:tid 139652413490944] [client 10.200.225.10:35656] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1051/878
[Tue Nov 16 03:36:29.707562 2021] [php7:notice] [pid 2118:tid 139652346349312] [client 10.200.225.10:35658] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1051/878
[Tue Nov 16 03:36:29.722409 2021] [php7:notice] [pid 2118:tid 139652396705536] [client 10.200.225.10:35660] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1051/878
[Tue Nov 16 03:36:30.221228 2021] [php7:notice] [pid 1756:tid 139652329563904] [client 10.200.225.10:35668] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1051/878
[Tue Nov 16 03:36:30.246968 2021] [php7:notice] [pid 2118:tid 139652363134720] [client 10.200.225.10:35674] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1051/878
[Tue Nov 16 03:36:30.727642 2021] [php7:notice] [pid 1323:tid 139652571145984] [client 10.200.225.10:35678] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1051/878
[Tue Nov 16 03:36:32.610373 2021] [php7:notice] [pid 1418:tid 139652363134720] [client 10.200.225.10:35712] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1051/878
[Tue Nov 16 03:36:33.456773 2021] [php7:notice] [pid 1323:tid 139652379920128] [client 10.200.225.10:35722] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1051/878
[Tue Nov 16 03:36:33.614742 2021] [php7:notice] [pid 1418:tid 139652396705536] [client 10.200.225.10:35728] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1051/878
[Tue Nov 16 03:36:33.653846 2021] [php7:notice] [pid 1756:tid 139652447061760] [client 10.200.225.10:35730] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1051/878
[Tue Nov 16 03:42:32.276811 2021] [php7:notice] [pid 2118:tid 139652337956608] [client 10.200.225.10:42024] ojs2: 404 Not Found, referer: https://j.agroengineering.org/plugins/generic/hypothesis/pdf.js/viewer/web/viewer.html?file=https%3A%2F%2Fj.agroengineering.org%2Findex.php%2Fjae%2Farticle%2Fdownload%2F1185%2F919%2F7867
[Tue Nov 16 03:42:34.072082 2021] [php7:notice] [pid 2118:tid 139652438669056] [client 10.200.225.10:42092] ojs2: 404 Not Found, referer: https://j.agroengineering.org/plugins/generic/hypothesis/pdf.js/viewer/web/viewer.html?file=https%3A%2F%2Fj.agroengineering.org%2Findex.php%2Fjae%2Farticle%2Fdownload%2F1185%2F919%2F7867
[Tue Nov 16 03:58:50.166174 2021] [php7:error] [pid 1418:tid 139652571145984] [client 10.200.225.10:56532] script '/var/www/vhosts/agroengineering.org/xmlrpc.php' not found or unable to stat
[Tue Nov 16 04:14:39.050896 2021] [php7:notice] [pid 1756:tid 139652472239872] [client 10.200.225.10:55996] PHP Notice: Only variables should be assigned by reference in /var/www/vhosts/agroengineering.org/plugins/generic/formHoneypot/FormHoneypotPlugin.inc.php on line 204, referer: https://www.agroengineering.org/index.php/jae/login
[Tue Nov 16 04:14:39.050967 2021] [php7:notice] [pid 1756:tid 139652472239872] [client 10.200.225.10:55996] PHP Notice: Only variables should be assigned by reference in /var/www/vhosts/agroengineering.org/plugins/generic/formHoneypot/FormHoneypotPlugin.inc.php on line 205, referer: https://www.agroengineering.org/index.php/jae/login
[Tue Nov 16 04:15:20.613398 2021] [php7:notice] [pid 1756:tid 139652312778496] [client 10.200.225.10:56676] PHP Notice: Only variables should be assigned by reference in /var/www/vhosts/agroengineering.org/plugins/generic/formHoneypot/FormHoneypotPlugin.inc.php on line 204, referer: https://www.agroengineering.org/index.php/jae/user/register?source=
[Tue Nov 16 04:15:20.613456 2021] [php7:notice] [pid 1756:tid 139652312778496] [client 10.200.225.10:56676] PHP Notice: Only variables should be assigned by reference in /var/www/vhosts/agroengineering.org/plugins/generic/formHoneypot/FormHoneypotPlugin.inc.php on line 205, referer: https://www.agroengineering.org/index.php/jae/user/register?source=
[Tue Nov 16 04:18:06.421565 2021] [php7:notice] [pid 1756:tid 139652413490944] [client 10.200.225.10:59028] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1079/867
[Tue Nov 16 04:18:06.456260 2021] [php7:notice] [pid 1756:tid 139652472239872] [client 10.200.225.10:59032] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1079/867
[Tue Nov 16 04:18:06.462931 2021] [php7:notice] [pid 1418:tid 139652421883648] [client 10.200.225.10:59030] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1079/867
[Tue Nov 16 04:18:06.465508 2021] [php7:notice] [pid 2483:tid 139652346349312] [client 10.200.225.10:59038] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1079/867
[Tue Nov 16 04:18:06.471397 2021] [php7:notice] [pid 1323:tid 139652371527424] [client 10.200.225.10:59034] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1079/867
[Tue Nov 16 04:18:06.500109 2021] [php7:notice] [pid 1323:tid 139652329563904] [client 10.200.225.10:59040] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1079/867
[Tue Nov 16 04:18:06.510145 2021] [php7:notice] [pid 1418:tid 139652396705536] [client 10.200.225.10:59036] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1079/867
[Tue Nov 16 04:18:07.524723 2021] [php7:notice] [pid 1418:tid 139652388312832] [client 10.200.225.10:59062] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1079/867
[Tue Nov 16 04:18:38.742504 2021] [php7:notice] [pid 2483:tid 139652321171200] [client 10.200.225.10:59410] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1079/867
[Tue Nov 16 04:18:38.758899 2021] [php7:notice] [pid 1323:tid 139652447061760] [client 10.200.225.10:59412] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1079/867
[Tue Nov 16 04:18:38.759610 2021] [php7:notice] [pid 2483:tid 139652312778496] [client 10.200.225.10:59416] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1079/867
[Tue Nov 16 04:18:38.761308 2021] [php7:notice] [pid 1418:tid 139652312778496] [client 10.200.225.10:59408] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1079/867
[Tue Nov 16 04:18:38.764727 2021] [php7:notice] [pid 1756:tid 139652438669056] [client 10.200.225.10:59406] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1079/867
[Tue Nov 16 04:18:38.783453 2021] [php7:notice] [pid 1323:tid 139652295993088] [client 10.200.225.10:59414] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1079/867
[Tue Nov 16 04:18:39.676163 2021] [php7:notice] [pid 1756:tid 139652447061760] [client 10.200.225.10:59426] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1079/867
[Tue Nov 16 04:18:39.716704 2021] [php7:notice] [pid 2483:tid 139652554360576] [client 10.200.225.10:59428] ojs2: 404 Not Found, referer: https://www.agroengineering.org/index.php/jae/article/view/1079/867