I am following the same method installing the Excel Package
pip install -U robotframework-datadriver[XLS]
then adding the robotframework-datadriver in the settings of Pycharm
PATH: D:\AUTO from where i am running the script.
below is my code
*** settings ***
Library    SeleniumLibrary
Test Template   GeneralInformationPage
Library    XML
Library    Screenshot
Library     DataDriver      ../AUTO/wsrfr/Testscripts/Data/Data1.xlsx
Resource    ../../../newproduct/TestScripts/Pages/Common.robot
Resource    ../../../newproduct/TestScripts/Pages/LoginPage.robot
Resource    ../../Testscripts/Pages/GendralInfo.robot
*** Variables ***
${data_file}    Data1.xlsx
*** test cases ***
LoginPage
       LoginPage.LogintoWoodruffPage
Navigate_to_ProductConfigure
      Common.NavigatetoRFR
      GeneralInformationPage
      [Teardown]    Close Browser
*** Keywords ***
GeneralInformationPage
    [Arguments]     ${NamedInsured}   # NameInsured is declared in Excel
    Wait For Condition	return document.readyState == "complete"
    Click Element    ${RenewalBtn}
    Wait For Condition	return document.readyState == "complete"
    log to console   General Information Started
    Input Text    ${NamedInsuredinp}    ${NamedInsured}
ERROR
PS D:\AUTO> python -m robot .\wsrfr\Testscripts\specs\wsrfr.robot
==============================================================================
Wsrfr                                                                         
==============================================================================
[ ERROR ] [ DataDriver ] Error in robot file:
  File "D:\AUTO\wsrfr\Testscripts\specs\wsrfr.robot", line 0
[ ERROR ] Calling method '_start_suite' of listener 'DataDriver' failed: FileNotFoundError: File attribute was empty. Tried to find D:\AUTO\wsrfr\Testscripts\specs\wsrfr.csv but file does not exist. If no file validation is required, set file_search_strategy=None.