label: Bouncy Ball Scene
form:
  implementationClass: info.magnolia.ui.javascript.form.FormViewWithChangeListener
  properties:
    title:
      $type: textField
      i18n: true
    temp:
      label: Temp
      $type: javascriptField
      fieldScript: /magnolia-babylonjs-xrworld-lm/webresources/engineOptionsField.html

Caused by: elemental.json.JsonException: Map is missing generics parameters: availableSettings: antialias: textContent: 'Antialias' type: 'boolean' adaptToDeviceRatio: textContent: 'Adapt to Device Ratio' type: 'boolean' somethingElse: textContent: 'Something Else' type: 'number'
4:41
And here's the stack trace if you need it:
4:41
15-Dec-2022 16:11:40.085 SEVERE [http-nio-8080-exec-4] com.vaadin.server.DefaultErrorHandler.doDefault 
java.lang.RuntimeException: elemental.json.JsonException: Map is missing generics
at com.vaadin.server.JsonCodec.encodeObject(JsonCodec.java:815)
at com.vaadin.server.JsonCodec.encode(JsonCodec.java:743)
at com.vaadin.server.LegacyCommunicationManager.encodeState(LegacyCommunicationManager.java:107)
at com.vaadin.server.AbstractClientConnector.encodeState(AbstractClientConnector.java:292)
at com.vaadin.server.communication.SharedStateWriter.write(SharedStateWriter.java:67)
at com.vaadin.server.communication.UidlWriter.write(UidlWriter.java:176)
at com.vaadin.server.communication.UidlRequestHandler.writeUidl(UidlRequestHandler.java:125)
at com.vaadin.server.communication.UidlRequestHandler.synchronizedHandleRequest(UidlRequestHandler.java:93)
at com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:40)
at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1637)
at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:464)
at info.magnolia.admincentral.AdmincentralServlet.service(AdmincentralServlet.java:119)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:779)
at info.magnolia.cms.filters.ServletDispatchingFilter.doFilter(ServletDispatchingFilter.java:148)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81)
at info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:75)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.module.cache.executor.Bypass.processCacheRequest(Bypass.java:58)
at info.magnolia.module.cache.executor.CompositeExecutor.processCacheRequest(CompositeExecutor.java:66)
at info.magnolia.module.cache.filter.CacheFilter.doFilter(CacheFilter.java:164)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.cms.i18n.I18nContentSupportFilter.doFilter(I18nContentSupportFilter.java:85)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.virtualuri.VirtualUriFilter.doFilter(VirtualUriFilter.java:102)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.cms.filters.RangeSupportFilter.doFilter(RangeSupportFilter.java:78)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.cms.security.BaseSecurityFilter.doFilter(BaseSecurityFilter.java:57)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81)
at info.magnolia.cors.AbstractCorsFilter.doFilter(AbstractCorsFilter.java:77)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85)
at info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:79)
.... MESSAGE TOO LONG
Caused by: elemental.json.JsonException: Map is missing generics
at com.vaadin.server.JsonCodec.encodeMap(JsonCodec.java:962)
at com.vaadin.server.JsonCodec.encode(JsonCodec.java:716)
at com.vaadin.server.JsonCodec.encodeStringMap(JsonCodec.java:1029)
at com.vaadin.server.JsonCodec.encodeMap(JsonCodec.java:972)
at com.vaadin.server.JsonCodec.encode(JsonCodec.java:716)
at com.vaadin.server.JsonCodec.encodeObject(JsonCodec.java:804)