وَكَذَا عَنْ تَعَمُّدِ الْكَبَائِرِ عِنْدَ الْجُمْهُورِ
Likewise, according to the majority, they are protected from intentionally committing major sins.
A major sin is grave wrongdoing identified through serious textual censure or threat. Deliberate major wrongdoing would significantly damage the public trust, exemplary standing and effectiveness of the prophetic office. The passage therefore attributes its exclusion to the majority.
Other historical positions are reported on certain details, but they must not be presented as one uniform Sunni consensus. The kind of act, whether it was intentional, and when it allegedly occurred must always be specified.