Update several error messages.
Update several error messages.

Remove raw addresses from several error messages.
Correct use of plurals for some error messages.
Simply change wording on others.

seec-team/seec,seec-team/seec,seec-team/seec,seec-team/seec,mheinsen/seec,mheinsen/seec,seec-team/seec,mheinsen/seec,mheinsen/seec,mheinsen/seec