ojs2 has produced an error Message: WARNING: Invalid argument supplied for foreach() In file: /home/jab1/public_html/lib/pkp/classes/core/Core.inc.php At line: 149 Stacktrace: File: /home/jab1/public_html/lib/pkp/classes/core/Core.inc.php line 149 Function: PKPApplication->errorHandler(2, "Invalid argument supplied for foreach()", "/home/jab1/public_html/lib/pkp/classes/core/Core.inc.php", 149, Array(6)) File: /home/jab1/public_html/lib/pkp/classes/core/PKPRequest.inc.php line 463 Function: Core->isUserAgentBot("Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)") File: /home/jab1/public_html/plugins/generic/usageEvent/UsageEventPlugin.inc.php line 353 Function: PKPRequest->isBot() File: /home/jab1/public_html/plugins/generic/usageEvent/UsageEventPlugin.inc.php line 106 Function: UsageEventPlugin->_buildUsageEvent("TemplateManager::display", Array(5)) File: (unknown) line (unknown) Function: UsageEventPlugin->getUsageEvent("TemplateManager::display", Array(5)) File: /home/jab1/public_html/lib/pkp/classes/plugins/HookRegistry.inc.php line 89 Function: call_user_func(Array(2), "TemplateManager::display", Array(5)) File: /home/jab1/public_html/lib/pkp/classes/template/PKPTemplateManager.inc.php line 332 Function: HookRegistry->call("TemplateManager::display", Array(5)) File: /home/jab1/public_html/pages/issue/IssueHandler.inc.php line 100 Function: PKPTemplateManager->display("issue/viewPage.tpl") File: (unknown) line (unknown) Function: IssueHandler->view(Array(2), Object(Request)) File: /home/jab1/public_html/lib/pkp/classes/core/PKPRouter.inc.php line 362 Function: call_user_func(Array(2), Array(2), Object(Request)) File: /home/jab1/public_html/lib/pkp/classes/core/PKPPageRouter.inc.php line 220 Function: PKPRouter->_authorizeInitializeAndCallRequest(Array(2), Object(Request), Array(2), False) File: /home/jab1/public_html/lib/pkp/classes/core/Dispatcher.inc.php line 134 Function: PKPPageRouter->route(Object(Request)) File: /home/jab1/public_html/lib/pkp/classes/core/PKPApplication.inc.php line 178 Function: Dispatcher->dispatch(Object(Request)) File: /home/jab1/public_html/index.php line 64 Function: PKPApplication->execute() Server info: OS: Linux PHP Version: 5.6.40-38+ubuntu18.04.1+deb.sury.org+1 Apache Version: N/A DB Driver: mysql DB server version: 5.7.33-0ubuntu0.16.04.1-log
DOI: http://dx.doi.org/10.20961/jab.v19i1

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