The problem is here "Can't find variable: VAR_RANDOM_LIST_VIDEO".
Make sure the value of the variable is correct.
You can check this in the variable inspector.
image.png
@BAS-Viet-Nam I will try with a different image / there is no error during the process, right?
@BAS-Viet-Nam
When I add the same processes one after the other it works strangely but it works