test.robot:3:30 ARG06 Argument name '${var}' is already used
   |
 1 | *** Keywords ***
 2 | Keyword1
 3 |     [Arguments]    ${var}    ${var}    ${var2}
   |                              ^^^^^^ ARG06
 4 |     ...    ${var}    ${Var}    ${var}=value
 5 |     Log  ${var}
   |

test.robot:4:12 ARG06 Argument name '${var}' is already used
   |
 2 | Keyword1
 3 |     [Arguments]    ${var}    ${var}    ${var2}
 4 |     ...    ${var}    ${Var}    ${var}=value
   |            ^^^^^^ ARG06
 5 |     Log  ${var}
   |

test.robot:4:22 ARG06 Argument name '${Var}' is already used
   |
 2 | Keyword1
 3 |     [Arguments]    ${var}    ${var}    ${var2}
 4 |     ...    ${var}    ${Var}    ${var}=value
   |                      ^^^^^^ ARG06
 5 |     Log  ${var}
   |

test.robot:4:32 ARG06 Argument name '${var}' is already used
   |
 2 | Keyword1
 3 |     [Arguments]    ${var}    ${var}    ${var2}
 4 |     ...    ${var}    ${Var}    ${var}=value
   |                                ^^^^^^ ARG06
 5 |     Log  ${var}
   |

test.robot:15:42 ARG06 Argument name '${PARAM}' is already used
    |
 13 |
 14 | Keyword4
 15 |     [Arguments]    %{var}    ${PARAM}    ${PARAM}
    |                                          ^^^^^^^^ ARG06
 16 |     Log  ${var}
    |

test.robot:23:30 ARG06 Argument name '${var: int}' is already used
    |
 21 |
 22 | Argument typing
 23 |     [Arguments]    ${var}    ${var: int}
    |                              ^^^^^^^^^^^ ARG06
 24 |     Log    ${var}
    |

Found 6 issues.