Use correct error for non-existing email track

What does this MR do?

Small follow-up from #325574 (closed).

I am choosing ArgumentError over the proposed custom error because it fits well in what we check for (is the argument acceptable).

Screenshots (strongly suggested)

Does this MR meet the acceptance criteria?

Conformity

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Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
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Security

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