I just installed OJS 3 on my server. The homepage looks as it should, however the admin page not:
This is the result of the log
[Thu Jan 18 11:31:23.710138 2018] [:error] [pid 28009:tid 140382742505216] [client 192.168.12.42:55074] PHP Fatal error: Uncaught Error: Call to a member function getByUserId() on null in /datos/htdocs/ojs-3.1.0/lib/pkp/classes/security/RoleDAO.inc.php:167\nStack trace:\n#0 /datos/htdocs/ojs-3.1.0/lib/pkp/classes/security/authorization/UserRolesRequiredPolicy.inc.php(49): RoleDAO->getByUserIdGroupedByContext(‘1’)\n#1 /datos/htdocs/ojs-3.1.0/lib/pkp/classes/security/authorization/AuthorizationDecisionManager.inc.php(196): UserRolesRequiredPolicy->effect()\n#2 /datos/htdocs/ojs-3.1.0/lib/pkp/classes/security/authorization/AuthorizationDecisionManager.inc.php(125): AuthorizationDecisionManager->_decidePolicySet(Object(PolicySet), NULL)\n#3 /datos/htdocs/ojs-3.1.0/lib/pkp/classes/handler/PKPHandler.inc.php(283): AuthorizationDecisionManager->decide()\n#4 /datos/htdocs/ojs-3.1.0/lib/pkp/controllers/page/PageHandler.inc.php(37): PKPHandler->authorize(Object(Request), Array, Array)\n#5 /datos/htdocs/ojs-3.1.0/lib/pkp/classes/core/PKPRouter.inc.php(364): PageHandler->authorize(Object(Request), Array, Array)\n#6 /datos/htdocs/ojs-3.1.0/lib/pkp/ in /datos/htdocs/ojs-3.1.0/lib/pkp/classes/security/RoleDAO.inc.php on line 167, referer: http://hydra.utp.edu.co/ojs-3.1.0/index.php/index/admin/contexts
[Thu Jan 18 11:31:24.732785 2018] [:error] [pid 28085:tid 140382826714880] [client 192.168.12.42:55071] PHP Fatal error: Uncaught Error: Call to a member function getByUserId() on null in /datos/htdocs/ojs-3.1.0/lib/pkp/classes/security/RoleDAO.inc.php:167\nStack trace:\n#0 /datos/htdocs/ojs-3.1.0/lib/pkp/classes/security/authorization/UserRolesRequiredPolicy.inc.php(49): RoleDAO->getByUserIdGroupedByContext(‘1’)\n#1 /datos/htdocs/ojs-3.1.0/lib/pkp/classes/security/authorization/AuthorizationDecisionManager.inc.php(196): UserRolesRequiredPolicy->effect()\n#2 /datos/htdocs/ojs-3.1.0/lib/pkp/classes/security/authorization/AuthorizationDecisionManager.inc.php(125): AuthorizationDecisionManager->_decidePolicySet(Object(PolicySet), NULL)\n#3 /datos/htdocs/ojs-3.1.0/lib/pkp/classes/handler/PKPHandler.inc.php(283): AuthorizationDecisionManager->decide()\n#4 /datos/htdocs/ojs-3.1.0/lib/pkp/controllers/page/PageHandler.inc.php(37): PKPHandler->authorize(Object(Request), Array, Array)\n#5 /datos/htdocs/ojs-3.1.0/lib/pkp/classes/core/PKPRouter.inc.php(364): PageHandler->authorize(Object(Request), Array, Array)\n#6 /datos/htdocs/ojs-3.1.0/lib/pkp/ in /datos/htdocs/ojs-3.1.0/lib/pkp/classes/security/RoleDAO.inc.php on line 167, referer: http://hydra.utp.edu.co/ojs-3.1.0/index.php/index/admin/contexts
[Thu Jan 18 11:31:24.762994 2018] [:error] [pid 28085:tid 140382843500288] [client 192.168.12.42:55076] PHP Fatal error: Uncaught Error: Call to a member function getByUserId() on null in /datos/htdocs/ojs-3.1.0/lib/pkp/classes/security/RoleDAO.inc.php:167\nStack trace:\n#0 /datos/htdocs/ojs-3.1.0/lib/pkp/classes/security/authorization/UserRolesRequiredPolicy.inc.php(49): RoleDAO->getByUserIdGroupedByContext(‘1’)\n#1 /datos/htdocs/ojs-3.1.0/lib/pkp/classes/security/authorization/AuthorizationDecisionManager.inc.php(196): UserRolesRequiredPolicy->effect()\n#2 /datos/htdocs/ojs-3.1.0/lib/pkp/classes/security/authorization/AuthorizationDecisionManager.inc.php(125): AuthorizationDecisionManager->_decidePolicySet(Object(PolicySet), NULL)\n#3 /datos/htdocs/ojs-3.1.0/lib/pkp/classes/handler/PKPHandler.inc.php(283): AuthorizationDecisionManager->decide()\n#4 /datos/htdocs/ojs-3.1.0/lib/pkp/classes/controllers/grid/GridHandler.inc.php(572): PKPHandler->authorize(Object(Request), Array, Array)\n#5 /datos/htdocs/ojs-3.1.0/lib/pkp/controllers/grid/admin/context/ContextGridHandler.inc.php(49): GridHandler->authorize(Object(Request), Array, Array)\n in /datos/htdocs/ojs-3.1.0/lib/pkp/classes/security/RoleDAO.inc.php on line 167, referer: http://hydra.utp.edu.co/ojs-3.1.0/index.php/index/admin/contexts
Any help is appreciated.