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In your case you should use `insertAndGetId`
When you write `insert[id]` you try to get value related to "expression" from resultSet. It can be null if, for example, it wasn't inserted, that's why column type (not-nullable) doesn't make sense.

Hi, I’m getting the same error after updating, can you share an example of using insertAndGetId?

<@U0MEUGTCM> maybe you can help? :slightly_smiling_face:

I think I found an example in the wiki! So good to see some documentation ^^

Okay, I think I just noticed a minor thing (perhaps intended). 

```object StarWarsFilms : Table() {
  val id: Column&lt;Int&gt; = integer("id").autoIncrement().primaryKey()
}``` this doesn’t support insertAndGetId

```object StarWarsFilms : IntIdTable() {
  
}``` this does