Injector error after upgrade 2.6 -> 2.7

Hello all, I have a working 2.6 application which I am trying to upgrade to 2.7.
I made the necessary changes and everything compiles, however the application fails on start up. I am sure I missed something in the upgrade instructions, but I have been able to find it. tia…Chet

  1. Could not find a suitable constructor in play.api.OptionalDevContext. Classes must have either one (and only one) constructor annotated with @Inject or a zero-argument constructor that is not private. at play.api.OptionalDevContext.class(ApplicationLoader.scala:247) while locating play.api.OptionalDevContext for the 2nd parameter of play.api.http.JavaCompatibleHttpRequestHandler.(HttpRequestHandler.scala:335) at play.utils.Reflect$.bindingsFromConfiguration(Reflect.scala:69): Binding(class play.api.http.JavaCompatibleHttpRequestHandler to self) (via modules: com.google.inject.util.Modules$OverrideModule → play.api.inject.guice.GuiceableModuleConversions$$anon$1)