Are Sunni Hadiths considered authentic such as the one that says "If there was a prophet after me, it would be Umar"?

SunniHadith
Are Sunni Hadiths considered authentic such as the one that says "If there was a prophet after me, it would be Umar"?
Amina Inloes, Amina Inloes is originally from the US and has a PhD in Islamic Studies from the University of Exeter on Shi'a hadith. She is the program leader for the MA Islamic Studies program at the... Answer updated 1 year ago

Sunni hadith may be considered on a case by case basis regarding their authenticity.

"If there was a prophet after me, it would be 'Umar" - Sunni scholars have disagreed regarding the authenticity of this narration. Some Sunni scholars have considered it authentic, whereas others consider it weak and reject it. Shi'i scholars do not accept it.