Is saying “O Muhammad” (يا محمد) an act of Shirk?

https://t.me/almanhajussalafi/2381 Ruling on Writing (يا الله يا محمد) “O Allah, O Muhammad” on masjid walls https://t.me/masjidsahabah/2088 https://t.me/almanhajussalafi/2377 Is prayer valid in a Masjid where innovations are practiced https://t.me/almanhajussalafi/235 Is prayer valid in a Masjid where (يا الله يا محمد) “O Allah, O Muhammad” is written on the wall? https://t.me/almanhajussalafi/2380 Bid‘ah is of two types https://t.me/almanhajussalafi/1474 Is prayer valid behind an innovator https://t.me/almanhajussalafi/234 https://t.me/almanhajussalafi/343 Is prayer valid behind an imam suspected to commit acts of shirk [before hujjah has been established]? https://t.me/almanhajussalafi/2383