Created attachment 8646170 [details] rx-ff-tools.xpi * The error occurred during the submission of a new add-on. * The add-on is unlisted. * I submitted the add-on to https://addons.mozilla.org/ja/developers/addon/submit/2 * I submitted at Tue Aug 11 14:20 JST 2015
This add-on validates for me without any issues. Can you post a screenshot of the error? Or simply try again? Thanks.