[Bug]

[rmthurman]

Describe the bug
Getting a "Unable to resolve service for type 'Microsoft.Bot.Builder.BotFrameworkAdapter' while attempting to activate 'Microsoft.Bot.Builder.Teams.RemindMeBot.Engine.ProactiveMessageManager'." error in the RemindMeBot sample

SDK Version
4.3.2

.Net Version
.Net Core 2.1

Expected behavior
Bot receives and responds to messages from Teams

Screenshots
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Additional context
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