If given a custom id for students like the ASV-ID, there should be the option to set this ID as identifying primary key which decides when to add a new user instead of reactivating an old one.
See:
https://ask.linuxmuster.net/t/wie-entscheidet-lmn7-sophomorix-ob-ein-nutzer-neu-angelegt-wird/11357/17
If given a custom id for students like the ASV-ID, there should be the option to set this ID as identifying primary key which decides when to add a new user instead of reactivating an old one.
See:
https://ask.linuxmuster.net/t/wie-entscheidet-lmn7-sophomorix-ob-ein-nutzer-neu-angelegt-wird/11357/17