again ...
1- install 1.1.1 = ok (V ID: 7)
2- install "new add-on 2.4" = error (Mysqli statement execute error : Duplicate column name 'additional_data' ...)
i try remove via sql : ( INSERT INTO `xf_option` (`option_id`, `option_value`, `default_value`, `edit_format`, `edit_format_params`...