Help;fancy splitting not working

[physiculus]

hello,
i recently switch my splitting to fany splitting.
after start my gnus no error occured - Wow!
but unfortunately no splitting is done.
command B t reports allways message goes to bogus.
does anyone knows, what is going wrong here?

i use emacs 26.3 on linux kubuntu 18.04.

here is my gnus config (exerpt)

(setq gnus-secondary-select-methods '(
                                      (nnimap "GoogleMail"
                                              (nnimap-address "imap.gmail.com")
                                              (nnimap-server-port "imaps")
                                              (nnimap-user "xxx@googlemail.com")
                                              (nnimap-stream ssl)
                                              (nnimap-inbox "INBOX")
                                              (nnimap-expunge 'on-exit)
                                              (nnimap-record-commands t)
                                              (spam-autodetect-recheck-messages 
t)
                                              (nnimap-split-download-body t)
                                              (spam-process ((spam 
spam-use-bogofilter)
                                                             (ham 
spam-use-bogofilter)))
                                              (nnmail-split-fancy
                                               (&
                                                (: spam-split "regex-spam" 
'spam-use-regex-headers)
                                                (: 
nnmail-split-fancy-with-parent)
                                                (: spam-split)
                                                )
                                                (|
                                                 (any ".*xxx@xxxhaus\\.de" 
"privat")
                                                 (any ".*xxx.xxx@xxxhaus\\.de" 
"privat")
                                                 (any ".*yyy@yyyhaus\\.de" 
"privat")
                                                 (any ".*zzz@gmail\\.com" 
"privat")
                                                 (any ".*xxx@xxxhaus\\.de" 
"privat")
                                                 )
                                                (&
                                                 (any 
".*emacs-orgmode@gnu\\.org" "OrgDigest")
                                                 (any 
".*info-gnus-english@gnu\\.org" "gnus")
                                                 (any ".*n3\\.nabble\\.com" 
"notmuch")
                                                 (any 
".*mu-discuss@googlegroups\\.com" "mu")
                                                 (any ".*pinterest\\.com" 
"Pinterest")
                                                 (any 
".*bbdb-user-request@nongnu\\.org" "bbdb")
                                                 (any 
".*emms-help-request@gnu\\.org" "emms")
                                                 )
                                                  "INBOX")
                                              ;;(nnimap-split-methods default)
                                              (get-new-mail t)
                                              (nnir-search-engine imap)
                                              )

Any clues?

Regards
Poul