title: Amazon LEX Android : BadRequestException
body: <p>I trying to integrate Amazon Lex in android App. I followed <a href="https://github.com/awslabs/aws-sdk-android-samples/tree/main/LexSample" rel="nofollow noreferrer">https://github.com/awslabs/aws-sdk-android-samples/tree/main/LexSample</a> and performed all steps but ends up with below error.</p>
  <blockquote>
  <p>08-10 11:08:08.013 30552-30707/com.amazonaws.sample.lex D/AWSMobileClient: waitForSignIn: userState:GUEST
  08-10 11:08:12.286 30552-30552/com.amazonaws.sample.lex D/TextActivity: Error: Invalid Bot Status: Bot ScheduleAppointment_dev has status FAILED (Service: AmazonLexRuntime; Status Code: 400; Error Code: BadRequestException; Request ID: 37879694-02e8-49bb-9601-901f85da30ef)
  08-10 11:08:12.287 30552-30552/com.amazonaws.sample.lex E/TextActivity: Interaction error
  com.amazonaws.services.lexrts.model.BadRequestException: Invalid Bot Status: Bot ScheduleAppointment_dev has status FAILED (Service: AmazonLexRuntime; Status Code: 400; Error Code: BadRequestException; Request ID: 37879694-02e8-49bb-9601-901f85da30ef)
  at com.amazonaws.http.AmazonHttpClient.handleErrorResponse(AmazonHttpClient.java:730)
  at com.amazonaws.http.AmazonHttpClient.executeHelper(AmazonHttpClient.java:405)
  at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:212)
  at com.amazonaws.services.lexrts.AmazonLexRuntimeClient.invoke(AmazonLexRuntimeClient.java:884)
  at com.amazonaws.services.lexrts.AmazonLexRuntimeClient.postContent(AmazonLexRuntimeClient.java:622)
  at com.amazonaws.mobileconnectors.lex.interactionkit.InteractionClient$3.run(InteractionClient.java:452)
  at java.lang.Thread.run(Thread.java:818)</p>
  </blockquote>
  <p>Can anyone please help me out with these.</p>