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(1), Object(Request))
File: /home/jab1/public_html/lib/pkp/classes/core/PKPRouter.inc.php line 362
Function: call_user_func(Array(2), Array(1), Object(Request))
File: /home/jab1/public_html/lib/pkp/classes/core/PKPPageRouter.inc.php line 220
Function: PKPRouter->_authorizeInitializeAndCallRequest(Array(2), Object(Request), Array(1), 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.v18i2