Enatega Customer Application: Null error showing when new user is logging by email.

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To Reproduce
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See error
Expected behavior
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Screenshots

Desktop (please complete the following information):

OS: [e.g. iOS]
Browser [e.g. chrome, safari]
Version [e.g. 22]
Smartphone (please complete the following information):

Device: [e.g. iPhone6]
OS: [e.g. iOS8.1]
Browser [e.g. stock browser, safari]
Version [e.g. 22]
Additional context
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The issue provides no files, tests, concrete reproduction steps, or environment details. Start by locating the customer application's email-login entry point and reproducing the reported null error for a new user. Done means the login flow no longer shows the null error and the behavior is covered by an appropriate test.

Written by the indexing model from the issue text.