Lambda invocation failed with status: 404. Lambda request id: 8b4b1a12-7f2b-44ec-b4d5-11e677f4f146 - Cloudormation

Hello, Please i get this error when testing my API Gateway Method,

Sun Aug 20 12:17:30 UTC 2023 : Lambda invocation failed with status: 404. Lambda request id: 8b4b1a12-7f2b-44ec-b4d5-11e677f4f146
Sun Aug 20 12:17:30 UTC 2023 : Execution failed due to configuration error: 
Sun Aug 20 12:17:30 UTC 2023 : Method completed with status: 500

Below is my Cloudformation

  AuthPOSTMethod:
    Type: AWS::ApiGateway::Method
    DeletionPolicy: Delete
    Properties:
      AuthorizationType: NONE
      HttpMethod: GET
      ResourceId: !ImportValue ExAuthResources
      RestApiId: !ImportValue ExPropuntsAPI
      Integration:
        IntegrationHttpMethod: GET #Other Options [GET, POST, PUT, DELETE, PATCH, ANY]
        Type: AWS_PROXY 
        Uri: !Sub arn:aws:apigateway:${AWS::Region}:lambda:path/2015-03-31/functions/${testNLFn.Arn}/invocations