My error message : ‘Type mismatch on variable $board_id and argument board_id (Int! / ID!)’

const createItem = async (payload) => {

  const { board_id, item_name, column_values } = payload;



  const query = gql`

    mutation CreateItem($board_id: Int!, $item_name: String!, $column_values: JSON!) {

      create_item(board_id: $board_id, item_name: $item_name, column_values: $column_values) {

        id

      }

    }

  `;



  const variables = {

    board_id,

    item_name,

    column_values: JSON.stringify(column_values),

  };



  const { data } = await mondayApi.post('', { query, variables });

  logger.info({

    function: 'createItem',

    message: 'Create item - Monday',

    data,

  });



  return data.create_item;

};