Delegates at the Mombasa retreat in a group discussion on the last day of the gathering.
Roads, Public Works and Housing minister Raila Odinga has been blamed for the constitutional review stalemate.
Assistant minister Wilfred Machage said Mr Odinga's absence from the consensus-building talks in Mombasa was a signal for other MPs from the Liberal Democratic Party (LDP) wing of Narc to also stay away.
