Can't type anymore in the editor after pasting code

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "LocalBusiness",
  "@id": "{{ site.title }}",
  "alternateName": "Kern Consulting, LLC",
  "currenciesAccepted": "USD",
  "email": "{{ site.defaults.dk_global_business_email }}",
  "keywords": [],
  "legalName": "Kern Consulting, LLC",
  "areaServed": [
    "Washington, DC",
    "Silver Spring, MD",
    {
      "@id": "Silver Spring"
    },
    {
      "@id": "Washington, DC"
    }
  ]
}
</script>

<script type="application/ld+json" class="schemantra.com">
{
  "@context": "https://schema.org",
  "@type": "City",
  "@id": "Silver Spring",
  "alternateName": "Silver Spring, MD",
  "url": "https://en.wikipedia.org/wiki/Silver_Spring,_Maryland"
}
</script>

<script type="application/ld+json" class="schemantra.com">
{
  "@context": "https://schema.org",
  "@type": "City",
  "@id": "Washington, DC",
  "url": "https://en.wikipedia.org/wiki/Washington,_D.C."
}
</script>

Thanks Peter! Please let me know when there's a fix because I'm anxious to get started on working on this.