Fabricated (mawdu') — falsely attributed to the Prophet ﷺ. Shown so it can be recognised; not to be acted upon or quoted as hadith.
It was narrated from 'Umar bin Khattab that:The Prophet used to say: "Whoever performs prayer in congregation at the mosque for forty nights, never missing the first Rak'ah of the 'Isha' prayer, Allah will thereby decree for him salvation from the Fire