User talk:WP.Err0r 789

December 2020
Hello, I'm Materialscientist. I noticed that you made a change to an article, Green Day, but you didn't provide a source. I’ve removed it for now, but if you’d like to include a citation to a reliable source and re-add it, please do so! If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. Materialscientist (talk) 09:58, 3 December 2020 (UTC)

Please refrain from making unconstructive edits to Wikipedia, as you did at Green Day. Your edits continue to appear to constitute vandalism and have been automatically reverted. Thank you. ClueBot NG (talk) 11:28, 3 December 2020 (UTC)
 * If you would like to experiment, please use the sandbox. Note that human editors do monitor recent changes to Wikipedia articles, and administrators have the ability to block users from editing if they repeatedly engage in vandalism.
 * ClueBot NG makes very few mistakes, but it does happen. If you believe the change you made should not have been considered as unconstructive, please read about it, [ report it here], remove this warning from your talk page, and then make the edit again.
 * If you need help, please see our help pages, and if you can't find what you are looking for there, please feel free to place on your talk page and someone will drop by to help.
 * The following is the log entry regarding this warning: Green Day was changed by WP.Err0r 789 (u) (t) ANN scored at 0.957015 on 2020-12-03T11:28:53+00:00