Robotframework 关键词'；使用无效凭据登录应失败'；应为2个参数，但得到0

我正在学习机器人框架。我现在正在学习测试用例，特别是测试套件。我正在运行此测试套件，并出现此错误，“…预期有2个参数，但得到0”。 这是我的密码。 如有任何建议，请提前通知

*** Settings ***
Library  RPA.Browser.Selenium 
Resource  LoginPageTests.robot
Resource  CommonFunctionality.robot
Variables  Variables.py

Suite Setup  LoginPageTests.Open Browser To Login Page
Suite Teardown  CommonFunctionality.Close Browser
Test Setup  LoginPageTests.Go To Login Page
Test Template  Login With Invalid Credentials Should Fail


*** Test Cases ***               USER NAME          PASSWORD
Invalid Username                 ${INVALID_USER}    ${PASSWORD}
Invalid Password                 ${USER}            ${INVALID_PASSWORD}
Invalid Username And Password    ${INVALID_USER}    ${INVALID_PASSWORD}
Empty Username                   ${EMPTY_USER}      ${PASSWORD}
Empty Password                   ${USER}            ${EMPTY_PASSWORD}
Empty Username And Password      ${EMPTY_USER}      ${EMPTY_PASSWORD}


*** Keywords ***
Login With Invalid Credentials Should Fail
    [Arguments]  ${username}  ${password}
    
    CommonFunctionality.Input Username  ${username}
    CommonFunctionality.Input User Password  ${password}
    CommonFunctionality.Submit Credentials
    Login Should Have Failed
    
Login Should Have Failed
    Page Should Contain  ${ERROR_MESSAGE}