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 names no files, tests, or entry points and provides no usable reproduction steps. Start by locating the customer application's email-login flow and reproducing the null error. Done means the login completes without the null error and the behavior is covered by an appropriate test.

Written by the indexing model from the issue text.