Возникла ошибка:

Function "getMetaDescription" does not exist

#0 /home/spectrop/unico-sys.ru/docs/classes/system/subsystems/umiTemplaters/types/umiTemplaterPHP.php(183): PhpTemplateEngine->callHelper('getMetaDescript...', Array) #1 /home/spectrop/unico-sys.ru/docs/templates/demotractor/php/layout/head.phtml(8): umiTemplaterPHP->__call('getMetaDescript...', Array) #2 /home/spectrop/unico-sys.ru/docs/classes/system/subsystems/umiTemplaters/types/umiTemplaterPHP.php(212): require('/home/spectrop/...') #3 /home/spectrop/unico-sys.ru/docs/classes/system/subsystems/umiTemplaters/types/umiTemplaterPHP.php(172): umiTemplaterPHP->applyTemplate(Array, '/home/spectrop/...') #4 /home/spectrop/unico-sys.ru/docs/templates/demotractor/php/layout/index.phtml(12): umiTemplaterPHP->render(Array, 'layout/head') #5 /home/spectrop/unico-sys.ru/docs/classes/system/subsystems/umiTemplaters/types/umiTemplaterPHP.php(212): require('/home/spectrop/...') #6 /home/spectrop/unico-sys.ru/docs/classes/system/subsystems/umiTemplaters/types/umiTemplaterPHP.php(172): umiTemplaterPHP->applyTemplate(Array, '/home/spectrop/...') #7 /home/spectrop/unico-sys.ru/docs/templates/demotractor/php/common.phtml(21): umiTemplaterPHP->render(Array, 'layout/index') #8 /home/spectrop/unico-sys.ru/docs/classes/system/subsystems/umiTemplaters/types/umiTemplaterPHP.php(212): require('/home/spectrop/...') #9 /home/spectrop/unico-sys.ru/docs/classes/system/subsystems/umiTemplaters/types/umiTemplaterPHP.php(135): umiTemplaterPHP->applyTemplate(Array, '/home/spectrop/...') #10 /home/spectrop/unico-sys.ru/docs/classes/system/middlewares/tModuleRouter.php(74): umiTemplaterPHP->parse(Array, '') #11 /home/spectrop/unico-sys.ru/docs/classes/system/controllers/IndexController.php(284): UmiCms\Classes\System\Controllers\IndexController->executeModuleRequest(true) #12 /home/spectrop/unico-sys.ru/docs/classes/system/controllers/IndexController.php(246): UmiCms\Classes\System\Controllers\IndexController->handleHtmlRequest() #13 /home/spectrop/unico-sys.ru/docs/classes/system/controllers/IndexController.php(113): UmiCms\Classes\System\Controllers\IndexController->handleRequest() #14 /home/spectrop/unico-sys.ru/docs/index.php(15): UmiCms\Classes\System\Controllers\IndexController->execute() #15 {main}