65d4c94f07
Output a warning so that we can dig into this. For now, the patch doesn't fix the root cause. If the server returns UID 0 as valid UID number, this must be ignored as soon as possible. Github-ref: https://github.com/OfflineIMAP/offlineimap/issues/336 Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>