Lambda processing called while calling amazonLexRuntimeV2.recognizeText() for QnAIntent configured with bedrock

Exception: com.amazonaws.http.AmazonHttpClient$RequestExecutor.handleErrorResponse(AmazonHttpClient.java:1880), com.amazonaws.http.AmazonHttpClient$RequestExecutor.handleServiceErrorResponse(AmazonHttpClient.java:1418), com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeOneRequest(AmazonHttpClient.java:1387), com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeHelper(AmazonHttpClient.java:1157), com.amazonaws.http.AmazonHttpClient$RequestExecutor.doExecute(AmazonHttpClient.java:814), com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeWithTimer(AmazonHttpClient.java:781), com.amazonaws.http.AmazonHttpClient$RequestExecutor.execute(AmazonHttpClient.java:755), com.amazonaws.http.AmazonHttpClient$RequestExecutor.access$500(AmazonHttpClient.java:715), com.amazonaws.http.AmazonHttpClient$RequestExecutionBuilderImpl.execute(AmazonHttpClient.java:697), com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:561), com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:541), com.amazonaws.services.lexruntimev2.AmazonLexRuntimeV2Client.doInvoke(AmazonLexRuntimeV2Client.java:683), com.amazonaws.services.lexruntimev2.AmazonLexRuntimeV2Client.invoke(AmazonLexRuntimeV2Client.java:650), com.amazonaws.services.lexruntimev2.AmazonLexRuntimeV2Client.invoke(AmazonLexRuntimeV2Client.java:639), com.amazonaws.services.lexruntimev2.AmazonLexRuntimeV2Client.executeRecognizeText(AmazonLexRuntimeV2Client.java:453), com.amazonaws.services.lexruntimev2.AmazonLexRuntimeV2Client.recognizeText(AmazonLexRuntimeV2Client.java:422), com.amazon.expensechatbotbackend.accessor.AmazonLexAccessor.sendMessage(AmazonLexAccessor.java:85), com.amazon.expensechatbotbackend.builder.routebuilder.DefaultRouteBuilder.getAmazonLexResponse(DefaultRouteBuilder.java:61), com.amazon.expensechatbotbackend.component.routecomponent.DefaultRouteComponent.processRouteRequest(DefaultRouteComponent.java:60), com.amazon.expensechatbotbackend.activity.RouteActivity.handleRequest(RouteActivity.java:46), com.amazon.expensechatbotbackend.lambda.RouteRequestLambda.handleRequest(RouteRequestLambda.java:30), java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method), java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source), java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source), java.base/java.lang.reflect.Method.invoke(Unknown Source), lambdainternal.EventHandlerLoader$PojoMethodRequestHandler.handleRequest(EventHandlerLoader.java:290), lambdainternal.EventHandlerLoader$PojoHandlerAsStreamHandler.handleRequest(EventHandlerLoader.java:207), lambdainternal.EventHandlerLoader$2.call(EventHandlerLoader.java:925), lambdainternal.AWSLambda.startRuntime(AWSLambda.java:268), lambdainternal.AWSLambda.startRuntime(AWSLambda.java:207), lambdainternal.AWSLambda.main(AWSLambda.java:196)]

I have given { "Action": [ "lex:RecognizeText", "lex:PutSession", "lex:ListIntents" ], "Resource": "*", "Effect": "Allow" } already