in den logs sehe ich

node /opt/iobroker/node_modules/iobroker.js-controller/contro                                                                                                                                                             ller.js --logs
2022-02-03 09:57:56.034  - info: host.raspberrypi iobroker.js-controller version                                                                                                                                                              3.3.22 js-controller starting
2022-02-03 09:57:56.054  - info: host.raspberrypi Copyright (c) 2014-2021 bluefo                                                                                                                                                             x, 2014 hobbyquaker
2022-02-03 09:57:56.056  - info: host.raspberrypi hostname: raspberrypi, node: v                                                                                                                                                             14.19.0
2022-02-03 09:57:56.257  - error: host.raspberrypi Cannot read system.config: nu                                                                                                                                                             ll (OK when migrating or restoring)
2022-02-03 09:57:56.394  - info: host.raspberrypi connected to Objects and State                                                                                                                                                             s
2022-02-03 09:57:56.445  - info: host.raspberrypi added notifications configurat                                                                                                                                                             ion of host
2022-02-03 09:57:56.537  - error: host.raspberrypi Cannot find view "system" for                                                                                                                                                              search "instance"
2022-02-03 09:57:56.540  - error: host.raspberrypi Could not add notifications c                                                                                                                                                             onfig of this host: Could not get notifications setup from instances: Cannot fin                                                                                                                                                             d view "system"
2022-02-03 09:57:56.636  - info: host.raspberrypi Plugin sentry Sentry Plugin di                                                                                                                                                             sabled for this process because sending of statistic data is disabled for the sy                                                                                                                                                             stem
2022-02-03 09:57:56.653  - error: host.raspberrypi Cannot find view "system" for                                                                                                                                                              search "host"
2022-02-03 09:57:56.673  - error: host.raspberrypi Cannot find view "system" for                                                                                                                                                              search "state"
2022-02-03 09:57:56.676  - error: host.raspberrypi Cannot find view "system" for                                                                                                                                                              search "instance"
2022-02-03 09:57:56.683  - error: host.raspberrypi Could not collect system.host                                                                                                                                                             .raspberrypi states to check for obsolete states: Error: Cannot find view "syste                                                                                                                                                             m"
2022-02-03 09:57:56.686  - error: host.raspberrypi _design/system missing - call                                                                                                                                                              node iobroker.js setup
2022-02-03 09:57:56.687  - info: host.raspberrypi no instances found
doc.rows is not iterable
TypeError: doc.rows is not iterable
    at Object.getInstancesOrderedByStartPrio (/opt/iobroker/node_modules/iobroke                                                                                                                                                             r.js-controller/lib/tools.js:2863:27)
    at async getInstances (/opt/iobroker/node_modules/iobroker.js-controller/mai                                                                                                                                                             n.js:2707:23)
2022-02-03 09:57:56.700  - error: host.raspberrypi uncaught exception: doc.rows                                                                                                                                                              is not iterable
2022-02-03 09:57:56.702  - error: host.raspberrypi TypeError: doc.rows is not it                                                                                                                                                             erable
    at Object.getInstancesOrderedByStartPrio (/opt/iobroker/node_modules/iobroke                                                                                                                                                             r.js-controller/lib/tools.js:2863:27)
    at async getInstances (/opt/iobroker/node_modules/iobroker.js-controller/mai                                                                                                                                                             n.js:2707:23)
2022-02-03 09:57:56.721  - info: host.raspberrypi iobroker _restart
2022-02-03 09:57:56.766  - error: host.raspberrypi Cannot write host object:Erro                                                                                                                                                             r: DB closed
2022-02-03 09:57:56.829  - info: host.raspberrypi terminated
object system.meta.uuid cannot be updated: Error: DB closed
object system.user.admin created

weiß jemand woran dies liegen kann das DB geschlossen ist?

iobroker status gibt folgendes

Cannot read system.config: null (OK when migrating or restoring)
iobroker is not running on this host.

Objects type: file
States type: file