Okay, I’ve found the solution! I do not speak enough English so I use google translate.
It is actually very simple! you just have to replace your whole comment form with comment_form (). But do not remove the section of code that ensures that all comments are displayed. So only the form! Below the code of my comments.php file.
[Code moderated as per the Forum Rules. The maximum number of lines of code that you can post in these forums is ten lines. Please use the pastebin]
