I emailed 3 of my MEP's and I have received this reply form one
Thank you for this. No, Andrew was not aware of this matter; but we have since looked into it and indeed discovered that although a great deal of confusion reigned over the vote in question the extra voters appear not to have affected the material outcome. At any rate, as you know, the final legislative votes will take place in plenary and not in committee, and my Liberal colleagues will ensure that we will table appropriate amendments.
You may be interested, therefore, in my recent proposal to change the rules of procedure of the House to insist on roll call votes at every legislative vote at committee stage (see website).
Thank you again for writing.
Liberal Democrat MEP for the East of England