Warning: Array to string conversion in /var/www/html/lib/pkp/classes/i18n/Locale.php on line 497

Warning: array_flip(): Can only flip string and integer values, entry skipped in /var/www/html/lib/pkp/classes/i18n/Locale.php on line 373

Fatal error: Uncaught --> Smarty: Unable to load template 'app:frontend/components/searchForm_simple.tpl' in 'app:frontend/components/header.tpl' <-- thrown in /var/www/html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php on line 196