User:91.210.102.154 made 2 topics with comments attached, (both pure spam), and the topics were deleted by admins.
However, the user's Contributions and Deleted Contributions pages are both empty:
Topics:
https://www.mediawiki.org/w/index.php?title=Talk:Sandbox&workflow=050dbcf120a79e896199782bcb087b7b
https://www.mediawiki.org/w/index.php?title=Talk:Sandbox&workflow=050dac2d0b4ccaf72f28842b2b772805
Logs:
https://www.mediawiki.org/wiki/Special:Contributions/91.210.102.154
https://www.mediawiki.org/wiki/Special:DeletedContributions/91.210.102.154
Version: unspecified
Severity: major