Seafile-Server not working

Hallo,
I have an Ubuntu Server 18.04.3 LTS with all updates. Last night the server has a reboot, Now the Seafile-Server is not reachable. Seafile server starting seems OK:

root@server:/# ./seafile-start
[10/30/19 10:58:35] …/common/session.c(132): using config file /haiwen/conf/ccnet.conf
Starting seafile server, please wait …
Seafile server started
Done.
Starting seahub at port 8000 …
Seahub is started
Done.

PIDS:
ccnet.pid
seaf-server.pid
seahub.pid

ccnet.log
[10/30/19 10:58:35] …/common/session.c(132): using config file /haiwen/conf/ccnet.conf
[10/30/19 10:58:35] …/common/session.c(455): socket file exists, delete it anyway
[10/30/19 10:58:35] …/common/session.c(484): Listen on /haiwen/ccnet/ccnet.sock for local clients
[10/30/19 10:58:35] …/common/session.c(290): Update pubinfo file
[10/30/19 10:58:36] …/common/connect-mgr.c(515): Opened port 10001 to listen for incoming peer connections
[10/30/19 10:58:36] …/common/session.c(398): Accepted a local client
[10/30/19 10:58:36] …/common/session.c(398): Accepted a local client
[10/30/19 10:58:36] …/common/session.c(398): Accepted a local client
[10/30/19 10:58:36] …/common/session.c(398): Accepted a local client
[10/30/19 10:58:39] …/common/session.c(398): Accepted a local client
[10/30/19 10:58:39] …/common/peer.c(943): Local peer down

controller.log
[10/30/19 11:06:17] seafile-controller.c(453): pid file /haiwen/pids/seafdav.pid does not exist
[10/30/19 11:06:17] seafile-controller.c(480): seafdav need restart…
[10/30/19 11:06:17] seafile-controller.c(79): spawn_process: /usr/bin/python2.7 -m wsgidav.server.run_server --log-file /haiwen/logs/seafdav.log --pid /haiwen/pids/seafdav.pid --port 8080 --host 0.0.0.0
[10/30/19 11:06:17] seafile-controller.c(94): spawned /usr/bin/python2.7, pid 18597
[10/30/19 11:06:17] seafile-controller.c(453): pid file /haiwen/pids/seafevents.pid does not exist
[10/30/19 11:06:17] seafile-controller.c(486): seafevents need restart…
[10/30/19 11:06:17] seafile-controller.c(79): spawn_process: /usr/bin/python2.7 -m seafevents.main --config-file /haiwen/conf/seafevents.conf --logfile /haiwen/logs/seafevents.log -P /haiwen/pids/seafevents.pid
[10/30/19 11:06:17] seafile-controller.c(94): spawned /usr/bin/python2.7, pid 18598

seafdav.log
[2019-10-30 11:06:17,456]: Init seahub database…
[2019-10-30 11:06:17,456]: Failed to init seahub db: No module named seahub_settings.
[2019-10-30 11:06:27,463]: Init seahub database…
[2019-10-30 11:06:27,463]: Failed to init seahub db: No module named seahub_settings.
[2019-10-30 11:06:37,471]: Init seahub database…
[2019-10-30 11:06:37,471]: Failed to init seahub db: No module named seahub_settings.
[2019-10-30 11:06:47,478]: Init seahub database…
[2019-10-30 11:06:47,478]: Failed to init seahub db: No module named seahub_settings.
[2019-10-30 11:06:57,481]: Init seahub database…
[2019-10-30 11:06:57,481]: Failed to init seahub db: No module named seahub_settings.
[2019-10-30 11:07:07,481]: Init seahub database…
[2019-10-30 11:07:07,482]: Failed to init seahub db: No module named seahub_settings.

seafile.log
[10/30/19 10:58:36] http-server.c(175): fileserver: worker_threads = 10
[10/30/19 10:58:36] http-server.c(190): fileserver: fixed_block_size = 8388608
[10/30/19 10:58:36] http-server.c(205): fileserver: web_token_expire_time = 3600
[10/30/19 10:58:36] http-server.c(220): fileserver: max_indexing_threads = 1
[10/30/19 10:58:36] http-server.c(235): fileserver: max_index_processing_threads= 3
[10/30/19 10:58:36] http-server.c(257): fileserver: cluster_shared_temp_file_mode = 600
[10/30/2019 10:58:36 AM] …/common/mq-mgr.c(54): [mq client] mq cilent is started
[10/30/2019 10:58:36 AM] listen-mgr.c(120): listen on port 12001 for block tranfer

seahub.log
2019-10-30 09:58:39,340 [ERROR] root:68 Failed to import seafevents package.
Traceback (most recent call last):
File “/haiwen/seafile-server-7.0.5/seahub/seahub/utils/ init .py”, line 65, in
from seafevents import seafevents_api
ImportError: No module named seafevents
2019-10-30 09:58:39,343 [ERROR] root:565 Failed to import seafevents package.
Traceback (most recent call last):
File “/haiwen/seafile-server-7.0.5/seahub/seahub/utils/ init .py”, line 561, in
import seafevents
ImportError: No module named seafevents

hello
[2019-10-30 11:06:37,471]: Failed to init seahub db: No module named seahub_settings.

can turn this off in conf files?

in which conf-file?