このエラーメッセージに関する原因と対処に関して説明します。
エラーメッセージ(英語)：
stop link from firing
対処
関連リンク
Is it possible to stop the browser from following the link when ...stackoverflow.com/.../is-it-possible-to-stop-the-browser-...
https://stackoverflow.com/questions/1607865/is-it-possible-to-stop-the-browser-from-following-the-li・・・
How can I disable HREF if onclick is executed?
https://stackoverflow.com/questions/15622100/how-can-i-disable-href-if-onclick-is-executed
javascript to prevent a link from firing
https://stackoverflow.com/questions/27363447/javascript-to-prevent-a-link-from-firing