these are all for who no vote has been recorded, there'll be a few explained by pairing with tellers or pairing for absences on the other side due to illness, or being ill themselves - for example Tony Lloyd is still recovering from coronavirus (and my thoughts are with him).
but nevertheless several of these will be active abstentions. breaking a three line whip, especially for frontbenchers, expects discipline or where appropriate resigning frontbench positions.
https://twitter.com/labourlewis/status/1262488272107982854?s=20 explanation here from Clive Lewis!
another explanation of this evening's events here: https://twitter.com/alexsobel/status/1262499258286182401?s=20
https://twitter.com/RachelReevesMP/status/1262507148405346306?s=20 explanation from Rachel Reeves!
hearing that Ruth Cadbury missed the time of the vote...
https://twitter.com/HackneyAbbott/status/1262663482874433536?s=19 response from Diane Abbott - suggesting that 5 of these MPs for whom there is no recorded vote did so consciously on the grounds of protecting 'the red wall'
https://twitter.com/lara_eleanor/status/1262524466938220545?s=19 missed this from Lara last night - I sure hope the PLP representatives on the NEC have a very good explanation for their abstentions! concerning for them to be out of tune with the membership on this...