ListView.builder not rendering all elements

[Anna-Maria Parandiy]

Hi guys,
    I'm trying to create a list of widgets from a list of strings which is passed dynamically(can have different length) using ListView.builder. When the listView is rebuild from list with bigger length than it was before(for example, it had 3 elements, now has 5), elements with index bigger than the last index of previous list are not rendered (in this case 4th and 5th elements) and I get an error.

    Any ideas how to fix it?

[Suzuki Tomohiro]

Null check operator used in null value. What’s the code that complains about this? The stacktrace tells the location.

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