Problem with grid.setItems() method

Flow
1

I can’t see why grid.setItems() can’t take a immutable list as a parameter and tries to cast it to Stream ?

2

Hi. Grid.setItems should accept any implementation of Collection. I think the wrongful cast to Stream is an issue of the IDE

3

can you show us the code?

4

I just fixed it

5

image.png

6

it was like this
image.png