I’m using ojs while I’m trying to submit document through submission link but I’m getting 500 HTTP ERROR
while I check my error log I got below logs
[26-Sep-2017 18:08:02 Europe/Berlin] PHP Warning: mkdir(): Permission denied in /home/asianssr/public_html/lib/pkp/classes/file/FileManager.inc.php on line 307
[26-Sep-2017 18:08:02 Europe/Berlin] PHP Warning: assert(): Assertion failed in /home/asianssr/public_html/lib/pkp/plugins/generic/usageStats/PKPUsageStatsPlugin.inc.php on line 597
[26-Sep-2017 18:08:02 Europe/Berlin] PHP Warning: array_merge(): Argument #2 is not an array in /home/asianssr/public_html/lib/pkp/classes/core/PKPApplication.inc.php on line 578
[26-Sep-2017 18:08:02 Europe/Berlin] PHP Warning: Invalid argument supplied for foreach() in /home/asianssr/public_html/plugins/generic/recommendByAuthor/RecommendByAuthorPlugin.inc.php on line 114
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method ScheduledTaskHelper::checkFrequency() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/lib/pkp/plugins/generic/acron/PKPAcronPlugin.inc.php on line 315
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method ScheduledTaskHelper::_isInRange() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/lib/pkp/classes/scheduledTask/ScheduledTaskHelper.inc.php on line 114
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method ScheduledTaskHelper::checkFrequency() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/lib/pkp/plugins/generic/acron/PKPAcronPlugin.inc.php on line 315
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method ScheduledTaskHelper::_isInRange() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/lib/pkp/classes/scheduledTask/ScheduledTaskHelper.inc.php on line 114
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method ScheduledTaskHelper::checkFrequency() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/lib/pkp/plugins/generic/acron/PKPAcronPlugin.inc.php on line 315
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method ScheduledTaskHelper::_isInRange() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/lib/pkp/classes/scheduledTask/ScheduledTaskHelper.inc.php on line 114
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method ScheduledTaskHelper::checkFrequency() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/lib/pkp/plugins/generic/acron/PKPAcronPlugin.inc.php on line 315
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method ScheduledTaskHelper::_isInRange() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/lib/pkp/classes/scheduledTask/ScheduledTaskHelper.inc.php on line 114
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method ScheduledTaskHelper::checkFrequency() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/lib/pkp/plugins/generic/acron/PKPAcronPlugin.inc.php on line 315
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method ScheduledTaskHelper::_isInRange() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/lib/pkp/classes/scheduledTask/ScheduledTaskHelper.inc.php on line 114
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method Request::getContext() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/lib/pkp/classes/plugins/ThemePlugin.inc.php on line 409
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method PKPRequest::_checkThis() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/classes/core/Request.inc.php on line 68
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Declaration of CustomBlockPlugin::getSeq() should be compatible with BlockPlugin::getSeq($contextId = NULL) in /home/asianssr/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 0
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Declaration of CustomBlockPlugin::getBlockContext() should be compatible with BlockPlugin::getBlockContext($contextId = NULL) in /home/asianssr/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 0
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Declaration of CustomBlockPlugin::getEnabled() should be compatible with BlockPlugin::getEnabled($contextId = NULL) in /home/asianssr/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 0
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Declaration of CustomBlockPlugin::getContents() should be compatible with BlockPlugin::getContents($templateMgr, $request = NULL) in /home/asianssr/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 0
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Declaration of ArticleHandler::authorize() should be compatible with PKPHandler::authorize($request, &$args, $roleAssignments, $enforceRestrictedSite = true) in /home/asianssr/public_html/pages/article/ArticleHandler.inc.php on line 19
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Declaration of ArticleHandler::initialize() should be compatible with PKPHandler::initialize($request, $args = NULL) in /home/asianssr/public_html/pages/article/ArticleHandler.inc.php on line 19
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Declaration of PublishedArticleDAO::getBySetting() should be compatible with ArticleDAO::getBySetting($settingName, $settingValue, $journalId = NULL, $rangeInfo = NULL) in /home/asianssr/public_html/classes/article/PublishedArticleDAO.inc.php on line 20
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method PKPRequest::getUser() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/classes/issue/IssueAction.inc.php on line 192
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method PKPRequest::_checkThis() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/lib/pkp/classes/core/PKPRequest.inc.php on line 564
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method PKPRequest::getUser() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/classes/issue/IssueAction.inc.php on line 86
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method PKPRequest::_checkThis() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/lib/pkp/classes/core/PKPRequest.inc.php on line 564
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method Request::getJournal() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/classes/issue/IssueAction.inc.php on line 59
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method PKPRequest::_checkThis() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/classes/core/Request.inc.php on line 42
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Declaration of InstitutionalSubscription::isValid() should be compatible with Subscription::isValid($check = SUBSCRIPTION_DATE_BOTH, $checkDate = NULL) in /home/asianssr/public_html/classes/subscription/InstitutionalSubscription.inc.php on line 0
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method PKPRequest::getRemoteDomain() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/classes/issue/IssueAction.inc.php on line 157
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method PKPRequest::_checkThis() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/lib/pkp/classes/core/PKPRequest.inc.php on line 453
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method PKPRequest::getRemoteAddr() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/classes/issue/IssueAction.inc.php on line 157
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method PKPRequest::_checkThis() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/lib/pkp/classes/core/PKPRequest.inc.php on line 425
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Declaration of SubmissionFileDAO::fromRow() should be compatible with PKPSubmissionFileDAO::fromRow($row, $fileImplementation) in /home/asianssr/public_html/classes/article/SubmissionFileDAO.inc.php on line 23
[26-Sep-2017 18:10:57 Europe/Berlin] PHP Strict Standards: Non-static method Config::getContextBaseUrls() should not be called statically, assuming $this from incompatible context in /home/asianssr/public_html/lib/pkp/plugins/generic/usageEvent/PKPUsageEventPlugin.inc.php on line 206
kindly help me to solve this issue.