Error 422 Unprocessable Content

POST https://spedi.ku.edu/register

Validator calls

Path Message Invalid value Violation
data.username There is already an account with this username
"SheldonLet"
Symfony\Component\Validator\ConstraintViolation {#1465
  -message: "There is already an account with this username"
  -messageTemplate: "There is already an account with this username"
  -parameters: [
    "{{ value }}" => ""SheldonLet""
  ]
  -root: Symfony\Component\Form\Form {#1020
    name: "registration_form"
    type_class: "App\Form\RegistrationFormType"
    data: App\Entity\User {#776
      -id: null
      -username: "SheldonLet"
      -email: "2hujikiiko@anonmails.de"
      -roles: []
      -password: null
      -birthYear: 2017
      -gender: "female"
      -educationLevel: "doctoral"
      -disorders: []
      -disordersOther: """
        Backlink sales and SEO support for website promotion. Trusted links, custom strategies, transparent service. \n
        Source: \n
         \n
        - <a href=https://dimulik.ru/kraken-ssylka-aktualnaja.html>kraken ссылка актуальная</a> \n
         \n
         \n
        kraken ссылка актуальная
        """
      -primaryLanguage: "en"
      -secondaryLanguage: "en"
      -regionDialect: "da_GL"
      -resetToken: null
      -resetTokenExpiresAt: null
    }
  }
  -propertyPath: "data.username"
  -invalidValue: "SheldonLet"
  -plural: null
  -code: "23bd9dbf-6b9b-41cd-a99e-4844bcf3077f"
  -constraint: Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity {#1365 …}
  -cause: [
    App\Entity\User {#1477
      -id: 54107
      -username: "SheldonLet"
      -email: "xrumachis001@anonmails.de"
      -roles: []
      -password: "WXh/5PixQDRNxJZWvvl3hTjV/u0hMD/uIVUEl0RcpZROnG/VJUksIINAdU8kvcob7+LhnxsfH/NOAqNTCsNx2g=="
      -birthYear: 1978
      -gender: "female"
      -educationLevel: "masters"
      -disorders: []
      -disordersOther: null
      -primaryLanguage: "en"
      -secondaryLanguage: "en"
      -regionDialect: "da_GL"
      -resetToken: null
      -resetTokenExpiresAt: null
    }
  ]
}