User talk:London local history editing

CS1 error on Slavery in Britain
Hello, I'm Qwerfjkl (bot). I have automatically detected that this edit performed by you, on the page Slavery in Britain, may have introduced referencing errors. They are as follows: Please check this page and fix the errors highlighted. If you think this is a false positive, you can [//en.wikipedia.org/w/index.php?action=edit&preload=User:Qwerfjkl/Botpreload&editintro=User:Qwerfjkl/boteditintro&minor=&title=User_talk:Qwerfjkl&preloadtitle=Qwerfjkl%20(bot)%20–%20Qwerfjkl_(bot)&section=new report it to my operator]. Thanks, Qwerfjkl (bot) (talk) 13:08, 5 June 2023 (UTC)
 * A "bare URL and missing title" error. References show this error when they do not have a title. Please edit the article to add the appropriate title parameter to the reference. ([//en.wikipedia.org/w/index.php?title=Slavery_in_Britain&action=edit&minor=minor&summary=Fixing+reference+error+raised+by+%5B%5BUser%3AQwerfjkl%20(bot)%7CQwerfjkl%20(bot)%5D%5D Fix] | [//en.wikipedia.org/w/index.php?title=Wikipedia:Help_desk&action=edit&section=new&preload=User:Qwerfjkl%20(bot)/helpform&preloadtitle=Referencing%20errors%20on%20%5B%5BSpecial%3ADiff%2F1158652552%7CSlavery%20in%20Britain%5D%5D Ask for help])