hi, I don't know what happened but since this morning, I can't access my spam group anymore. I used to check it twice a day before and it worked well. I didn't update my Gnus copy nor made any changes on my gnus configuration. Enclosed is the backtrace of the problem: Debugger entered--Lisp error: (wrong-type-argument arrayp nil) gnus-dup-unsuppress-article(3205) gnus-mark-article-as-unread(3205 36) gnus-summary-mark-article(3205 36) spam-mark-junk-as-spam-routine() spam-summary-prepare() run-hooks(gnus-summary-prepare-hook) apply(run-hooks gnus-summary-prepare-hook) gnus-run-hooks(gnus-summary-prepare-hook) gnus-summary-prepare() gnus-summary-read-group-1("nnml+gnu-rox.org:mail.spam.proven" t t nil nil nil) gnus-summary-read-group("nnml+gnu-rox.org:mail.spam.proven" t t nil nil nil nil) gnus-group-read-group(nil t) gnus-group-select-group(nil) gnus-topic-select-group(nil) call-interactively(gnus-topic-select-group) The mail.spam.proven group is the group holding all spams (no ham possible there). It is the destination/targer for messages marked as spam manually or for messages detected as spam during spam-split process and waiting in the spam.candidates groups for checking. Any idea welcom :) zeDek -- .o. Xavier Maillard Tel: +33 6 62 59 68 62 ..o ooo