test.robot:3:30 [E] ARG06 Argument name '${var}' is already used
test.robot:4:12 [E] ARG06 Argument name '${var}' is already used
test.robot:4:22 [E] ARG06 Argument name '${Var}' is already used
test.robot:4:32 [E] ARG06 Argument name '${var}' is already used
test.robot:15:42 [E] ARG06 Argument name '${PARAM}' is already used
test.robot:23:30 [E] ARG06 Argument name '${var: int}' is already used

Found 6 issues.