Thu Aug 29, 2019 6:26 am
On a Gallery post there will be a section of three periods […] in the description panels header bar, flush right. Clicking on it will offer the option to report the submission.
If you mean a Forum Thread post. You can report it in the same way you report any single Thread comment. You must go the original post to achieve this.
You cannot report comments on Gallery submissions.
Please phrase your question more clearly in the future to avoid confusion.