Battle of Mingzhou (775) — the same event in Old Book of Tang and New Book of Tang

Old Book of Tang: Tian Chengsi stole Luozhou and defeated Yuzhou.; New Book of Tang: Tian Chengsi rebelled and took Mingzhou (the Weibo rebellion).

What each source says

Tian Chengsi stole Luozhou and defeated Yuzhou.

田承嗣盜取洺州，又破衛州。
Location: 舊唐書卷11 大歷10年

Tian Chengsi rebelled and took Mingzhou (the Weibo rebellion).

戊申，田承嗣反。癸丑，承嗣陷洺州
Location: 新唐書卷006 肅宗·代宗大曆10年1月

Place: 洺州