Fatal error: Uncaught TypeError: Return value of ModelExtensionMazaExtension::getModuleOutput() must be of the type string, null returned in /home/u834882526/domains/vuvito.az/public_html/catalog/model/extension/maza/extension.php:49 Stack trace: #0 /home/u834882526/domains/vuvito.az/storage/modification/system/engine/loader.php(259): ModelExtensionMazaExtension->getModuleOutput('mz_product_list...', 'data813') #1 /home/u834882526/domains/vuvito.az/public_html/system/engine/proxy.php(47): Loader->{closure}(Array, Array) #2 /home/u834882526/domains/vuvito.az/public_html/catalog/controller/extension/maza/hooks/data.php(53): Proxy->__call('getModuleOutput', Array) #3 /home/u834882526/domains/vuvito.az/storage/modification/system/engine/action.php(85): ControllerExtensionMazahooksData->index(Array) #4 /home/u834882526/domains/vuvito.az/storage/modification/system/engine/loader.php(51): Action->execute(Object(Registry), Array) #5 /home/u834882526/domains/vuvito.az/public_html/catalog/controller/extension/maza/event/controller/ in /home/u834882526/domains/vuvito.az/public_html/catalog/model/extension/maza/extension.php on line 49