ValidationException: Provided list of item keys contains duplicates

Serverless Framework
,
1

Hi everyone,
I Keep getting the following error on my serverless.yml configurations file.
"Serverless: DynamoDB - created table transactions

Validation Exception ------------------------------------

ValidationException: Provided list of item keys contains duplicates
"
What could be the problem?
Here’s the entire .yml file.
Thanks…!

service: dynamo

useDotenv: true

configValidationMode: error

frameworkVersion: ^2.52.0

provider:

name: aws

runtime: nodejs12.x

stage: dev

region: us-east-1

lambdaHashingVersion: 20201221

custom:

dynamodb:

stages:

  - dev

start:

  port: 8000

  inMemory: true

  heapInitial: 200m

  heapMax: 1g

  migrate: true

  seed: true

  convertEmptyValues: true

seed:

  dev:

    sources:

      - table: transactions

        sources: [./txs.json]

functions:

app:

handler: index.handler

events:

  - http:

      path: transactions

      method: get

UI:

handler: index.handler

events:

  - http: 

      path: UI

      method: get

resources:

Resources:

transactionsTable:

  Type: AWS::DynamoDB::Table

  Properties:

    TableName: transactions

    AttributeDefinitions:

      - AttributeName: country

        AttributeType: S

      - AttributeName: createdAt

        AttributeType: N

    KeySchema:

      - AttributeName: country

        KeyType: HASH  

      - AttributeName: createdAt

        KeyType: RANGE

    ProvisionedThroughput:

      ReadCapacityUnits: 1

      WriteCapacityUnits: 1

    GlobalSecondaryIndexes:

      - IndexName: country_created_at_index

        KeySchema:

          - AttributeName: country

            KeyType: HASH

          - AttributeName: createdAt

            KeyType: RANGE

        Projection:

          ProjectionType: ALL

        ProvisionedThroughput:

          ReadCapacityUnits: 1

          WriteCapacityUnits: 1

plugins:

  • serverless-dynamodb-local

  • serverless-offline

  • serverless-bundle