client_packet.cpp line ~6077
old:
	Code:
	|| spells[m_pp.spell_book[bk]].classes[GetClass()-1] < 1
|| spells[m_pp.spell_book[bk]].classes[GetClass()-1] > 65
 New:
	Code:
	|| (
        (
            spells[m_pp.spell_book[bk]].classes[GetClass()-1] < 1
            || spells[m_pp.spell_book[bk]].classes[GetClass()-1] > 70
        )
        // Don't nuke spells from quest troupe, they may be setup for /becomenpc
        && Admin() < 80
)