Fatal error: Uncaught Error: Class 'Smarty_Internal_Method_RegisterFilter' not found in /home/opcon/src/tools/smarty-3.1.30/libs/sysplugins/smarty_internal_method_unregisterfilter.php:12 Stack trace: #0 {main} thrown in /home/opcon/src/tools/smarty-3.1.30/libs/sysplugins/smarty_internal_method_unregisterfilter.php on line 12