Had this been in a Shi'a book, you would have deemed it a forgery, but it's presence in your has really confused your Ulema. There are no hadith in which the Prophet (s) guaranteed paradise for a specific Sahaba and his followers, with the sole exception of Ali (as) and his Shi'a.
Na kama tumeona simulizi ambazo zinatoa uthibitisho wa kukusanywa kwa Qur’ani Tukufu na kundi la masahaba chini ya usimamizi wa Mtukufu Mtume (s.a.w.), zinasimulia idadi tofauti za watu na haileti tatizo lolote; inawezekana kwamba kila simulizi inataja baadhi yao tu.