Hello,
After we upgraded our OJS to the latest version which is 3.4.0.8, The error below appears continuously. Could you please help us regarding this issue. Many Thanks.
PHP Fatal error: Uncaught TypeError: Unsupported operand types: string - int in //public_html/plugins/generic/recommendBySimilarity/RecommendBySimilarityPlugin.php:83 Stack trace: #0 //public_html/plugins/generic/recommendBySimilarity/RecommendBySimilarityPlugin.php(46): APP\plugins\generic\recommendBySimilarity\RecommendBySimilarityPlugin->buildTemplate() #1 [internal function]: APP\plugins\generic\recommendBySimilarity\RecommendBySimilarityPlugin->APP\plugins\generic\recommendBySimilarity\{closure}('Templates::Arti...', Array) #2 /public_html/lib/pkp/classes/plugins/Hook.php(139): call_user_func_array(Object(Closure), Array) #3 /public_html/lib/pkp/classes/plugins/Hook.php(113): PKP\plugins\Hook::run('Templates::Arti...', Array) #4 /public_html/lib/pkp/classes/template/PKPTemplateManager.php(1787): PKP\plugins\Hook::call('Templates::Arti...', Array) #5/public_html/cache/t_compile/a4fc84a2d9d2a85c011fcc528f09577e88e2fcff^1c372c95cd85572e0fbc9a53d0323a0b229cfc78_0.app.frontendpagesarticle.tpl.php(43): PKP\template\PKPTemplateManager->smartyCallHook(Array, Object(Smarty_Internal_Template)) #6 /public_html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_resource_base.php(123): content_67adfef71bfb08_04115926(Object(Smarty_Internal_Template)) #7 /public_html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_compiled.php(114): Smarty_Template_Resource_Base->getRenderedTemplateCode(Object(Smarty_Internal_Template)) #8 /public_html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(217): Smarty_Template_Compiled->render(Object(Smarty_Internal_Template)) #9 /public_html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(238): Smarty_Internal_Template->render(false, 1) #10 /public_html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(134): Smarty_Internal_TemplateBase->_execute(Object(Smarty_Internal_Template), NULL, 'a4fc84a2d9d2a85...', NULL, 1) #11 /public_html/lib/pkp/classes/template/PKPTemplateManager.php(1372): Smarty_Internal_TemplateBase->display('frontend/pages/...', NULL, 'a4fc84a2d9d2a85...', NULL) #12/public_html/pages/article/ArticleHandler.php(355): PKP\template\PKPTemplateManager->display('frontend/pages/...') #13 [internal function]: APP\pages\article\ArticleHandler->view(Array, Object(APP\core\Request)) #14 /public_html/lib/pkp/classes/core/PKPRouter.php(334): call_user_func(Array, Array, Object(APP\core\Request)) #15 /public_html/lib/pkp/classes/core/PKPPageRouter.php(278): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest(Array, Object(APP\core\Request), Array, false) #16 /public_html/lib/pkp/classes/core/Dispatcher.php(165): PKP\core\PKPPageRouter->route(Object(APP\core\Request)) #17 /public_html/lib/pkp/classes/core/PKPApplication.php(395): PKP\core\Dispatcher->dispatch(Object(APP\core\Request)) #18 /public_html/index.php(21): PKP\core\PKPApplication->execute() #19 {main} thrown in /public_html/plugins/generic/recommendBySimilarity/RecommendBySimilarityPlugin.php on line 83