Lastest Version Need Bootstrap5

[emadalslahi]

For Latest Version you may get problem with Class AttachmentsInput
its dependency for
use yii\bootstrap\Widget;

Fix it with Use:
use yii\bootstrap5\Widget;
mention the verstion of bootsrtap class

[emadalslahi]

Every Used Wedget is Asking for use yii\bootstrap\Widget;

While last versions of Yii2 Has Class :
use yii\bootstrap5\Widget;

AttachmentsInput,
AttachmentsTable