See these changes: 1 and 2. They are both done using the reply tool and neither is correcly indented (should have been 4 instead of 3 and 3 instead of 2, respectively. This seemed to work in other situations (link to several replies)
When replying to top-level comment, it seems to work (link)
Description
Description
Event Timeline
Comment Actions
Both contain unsigned/incorrectly signed comments (Cf. Wikipedia:Robot… and NU. Apple România, Microsoft România… respectively), which DiscussionTools recognizes to be part of the next comments, thus gets confused about the indentation level of the comments you’ve replied to.
The solution is to educate others to not write in the middle of your comments (or if they do, attribute you as the author of the preceding part; on huwiki, we have Sablon:Szerző for this purpose); and to not use signatures that contain no links (per Why can't I reply to this comment? § No link to the user page).