Agent-receiver: stopped after Update to CEE 2.2.0

he says “starting ok”, but…:
image

This error is shown in the log:
heckmk:~# tail -n 40 /opt/omd/sites/psgmon/var/log/agent-receiver/error.log
[2023-05-25 15:17:45 +0200] [946] [INFO] Worker exiting (pid: 946)
[2023-05-25 15:17:45 +0200] [942] [INFO] Shutting down: Master
[2023-05-25 15:17:45 +0200] [942] [INFO] Reason: Worker failed to boot.
[2023-05-25 18:34:16 +0200] [1418522] [INFO] Starting gunicorn 20.1.0
[2023-05-25 18:34:16 +0200] [1418522] [INFO] Listening at: http://[::]:8000 (1418522)
[2023-05-25 18:34:16 +0200] [1418522] [INFO] Using worker: agent_receiver.worker.ClientCertWorker
[2023-05-25 18:34:16 +0200] [1418529] [INFO] Booting worker with pid: 1418529
[2023-05-25 18:34:16 +0200] [1418529] [ERROR] Exception in worker process
Traceback (most recent call last):
File “/omd/sites/psgmon/lib/python3.11/site-packages/gunicorn/arbiter.py”, line 589, in spawn_worker
worker.init_process()
File “/omd/sites/psgmon/lib/python3.11/site-packages/uvicorn/workers.py”, line 66, in init_process
super(UvicornWorker, self).init_process()
File “/omd/sites/psgmon/lib/python3.11/site-packages/gunicorn/workers/base.py”, line 134, in init_process
self.load_wsgi()
File “/omd/sites/psgmon/lib/python3.11/site-packages/gunicorn/workers/base.py”, line 146, in load_wsgi
self.wsgi = self.app.wsgi()
^^^^^^^^^^^^^^^
File “/omd/sites/psgmon/lib/python3.11/site-packages/gunicorn/app/base.py”, line 67, in wsgi
self.callable = self.load()
^^^^^^^^^^^
File “/omd/sites/psgmon/lib/python3.11/site-packages/gunicorn/app/wsgiapp.py”, line 58, in load
return self.load_wsgiapp()
^^^^^^^^^^^^^^^^^^^
File “/omd/sites/psgmon/lib/python3.11/site-packages/gunicorn/app/wsgiapp.py”, line 48, in load_wsgiapp
return util.import_app(self.app_uri)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “/omd/sites/psgmon/lib/python3.11/site-packages/gunicorn/util.py”, line 359, in import_app
mod = importlib.import_module(module)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “/omd/sites/psgmon/lib/python3.11/importlib/init.py”, line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “”, line 1206, in _gcd_import
File “”, line 1178, in _find_and_load
File “”, line 1142, in _find_and_load_unlocked
ModuleNotFoundError: No module named ‘agent_receiver.apps’
[2023-05-25 18:34:16 +0200] [1418529] [INFO] Worker exiting (pid: 1418529)
[2023-05-25 18:34:17 +0200] [1418522] [INFO] Shutting down: Master
[2023-05-25 18:34:17 +0200] [1418522] [INFO] Reason: Worker failed to boot.