Student Info is removed by role conversion if an invalid Student is replaced by another role.
Student Info is removed by role conversion if an invalid Student is replaced by another role.

--HG--
extra : rebase_source : dbe9facb42992de8e490dcc74a5c055f537e2d8a

SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange