The 'gridview' module MUST be setup in your Yii configuration file.

解决方法:common的config的main.php中添加

'gridview' => ['class' => 'kartikgridModule'],

在vender的composer->autoload_psr4.php
'kartik\dialog\' => array($vendorDir . '/kartik-v/yii2-dialog'),
composer->autoload_static.php
'kartik\dialog\' =>
array (
0 => __DIR__ . '/..' . '/kartik-v/yii2-dialog',
),
原文地址:https://www.cnblogs.com/fpcing/p/9394864.html