# P0013

`t.fail(message)` was called. The message is `message`. Spans the call.

**Machine-applicable fix:** none.

## Example

This program fails with `P0013`.

```oska
test "not written yet" {
    t.fail("write this test")
}
```

## Fixed

The same program, fixed.

```oska
test "written" {
    t.assert(true)
}
```

Listed in the [runtime notes](/runtime.md#p0013). `oskac explain P0013` prints this entry offline.