This is just new installation of OJS v 3.0.2 with PHP ver. 5.4.
And last errors in error.log:
[09-Feb-2017 11:20:01 UTC] PHP Strict Standards: Non-static method ScheduledTaskHelper::checkFrequency() should not be called statically, assuming $this from incompatible context in /home/hitech/public_html/oj/lib/pkp/plugins/generic/acron/PKPAcronPlugin.inc.php on line 315
[09-Feb-2017 11:20:01 UTC] PHP Strict Standards: Non-static method ScheduledTaskHelper::_isInRange() should not be called statically, assuming $this from incompatible context in /home/hitech/public_html/oj/lib/pkp/classes/scheduledTask/ScheduledTaskHelper.inc.php on line 114
[09-Feb-2017 11:20:01 UTC] PHP Strict Standards: Non-static method ScheduledTaskHelper::checkFrequency() should not be called statically, assuming $this from incompatible context in /home/hitech/public_html/oj/lib/pkp/plugins/generic/acron/PKPAcronPlugin.inc.php on line 315
[09-Feb-2017 11:20:01 UTC] PHP Strict Standards: Non-static method ScheduledTaskHelper::_isInRange() should not be called statically, assuming $this from incompatible context in /home/hitech/public_html/oj/lib/pkp/classes/scheduledTask/ScheduledTaskHelper.inc.php on line 114
[09-Feb-2017 11:20:01 UTC] PHP Strict Standards: Non-static method ScheduledTaskHelper::checkFrequency() should not be called statically, assuming $this from incompatible context in /home/hitech/public_html/oj/lib/pkp/plugins/generic/acron/PKPAcronPlugin.inc.php on line 315
[09-Feb-2017 11:20:01 UTC] PHP Strict Standards: Non-static method ScheduledTaskHelper::_isInRange() should not be called statically, assuming $this from incompatible context in /home/hitech/public_html/oj/lib/pkp/classes/scheduledTask/ScheduledTaskHelper.inc.php on line 114
[09-Feb-2017 11:20:01 UTC] PHP Strict Standards: Non-static method ScheduledTaskHelper::checkFrequency() should not be called statically, assuming $this from incompatible context in /home/hitech/public_html/oj/lib/pkp/plugins/generic/acron/PKPAcronPlugin.inc.php on line 315
[09-Feb-2017 11:20:01 UTC] PHP Strict Standards: Non-static method ScheduledTaskHelper::_isInRange() should not be called statically, assuming $this from incompatible context in /home/hitech/public_html/oj/lib/pkp/classes/scheduledTask/ScheduledTaskHelper.inc.php on line 114
[09-Feb-2017 11:20:01 UTC] PHP Strict Standards: Non-static method ScheduledTaskHelper::checkFrequency() should not be called statically, assuming $this from incompatible context in /home/hitech/public_html/oj/lib/pkp/plugins/generic/acron/PKPAcronPlugin.inc.php on line 315
[09-Feb-2017 11:20:01 UTC] PHP Strict Standards: Non-static method ScheduledTaskHelper::_isInRange() should not be called statically, assuming $this from incompatible context in /home/hitech/public_html/oj/lib/pkp/classes/scheduledTask/ScheduledTaskHelper.inc.php on line 114
[09-Feb-2017 11:20:01 UTC] PHP Strict Standards: Declaration of ManageIssuesHandler::authorize() should be compatible with PKPHandler::authorize($request, &$args, $roleAssignments, $enforceRestrictedSite = true) in /home/hitech/public_html/oj/pages/manageIssues/ManageIssuesHandler.inc.php on line 18
[09-Feb-2017 11:20:01 UTC] PHP Strict Standards: Non-static method Request::getContext() should not be called statically, assuming $this from incompatible context in /home/hitech/public_html/oj/lib/pkp/classes/plugins/ThemePlugin.inc.php on line 409
[09-Feb-2017 11:20:01 UTC] PHP Strict Standards: Non-static method PKPRequest::_checkThis() should not be called statically, assuming $this from incompatible context in /home/hitech/public_html/oj/classes/core/Request.inc.php on line 68
[09-Feb-2017 11:20:02 UTC] PHP Strict Standards: Declaration of PageHandler::authorize() should be compatible with PKPHandler::authorize($request, &$args, $roleAssignments, $enforceRestrictedSite = true) in /home/hitech/public_html/oj/lib/pkp/controllers/page/PageHandler.inc.php on line 19
[09-Feb-2017 11:20:02 UTC] PHP Strict Standards: Non-static method Request::getContext() should not be called statically, assuming $this from incompatible context in /home/hitech/public_html/oj/lib/pkp/classes/plugins/ThemePlugin.inc.php on line 409
[09-Feb-2017 11:20:02 UTC] PHP Strict Standards: Non-static method PKPRequest::_checkThis() should not be called statically, assuming $this from incompatible context in /home/hitech/public_html/oj/classes/core/Request.inc.php on line 68
[09-Feb-2017 11:20:02 UTC] PHP Strict Standards: Declaration of PageHandler::authorize() should be compatible with PKPHandler::authorize($request, &$args, $roleAssignments, $enforceRestrictedSite = true) in /home/hitech/public_html/oj/lib/pkp/controllers/page/PageHandler.inc.php on line 19
[09-Feb-2017 11:20:03 UTC] PHP Strict Standards: Non-static method Request::getContext() should not be called statically, assuming $this from incompatible context in /home/hitech/public_html/oj/lib/pkp/classes/plugins/ThemePlugin.inc.php on line 409
[09-Feb-2017 11:20:03 UTC] PHP Strict Standards: Non-static method PKPRequest::_checkThis() should not be called statically, assuming $this from incompatible context in /home/hitech/public_html/oj/classes/core/Request.inc.php on line 68
[09-Feb-2017 11:20:03 UTC] PHP Strict Standards: Non-static method Request::getContext() should not be called statically, assuming $this from incompatible context in /home/hitech/public_html/oj/lib/pkp/classes/plugins/ThemePlugin.inc.php on line 409
[09-Feb-2017 11:20:03 UTC] PHP Strict Standards: Non-static method PKPRequest::_checkThis() should not be called statically, assuming $this from incompatible context in /home/hitech/public_html/oj/classes/core/Request.inc.php on line 68