Cmc.log - error traceback

+++

OMD[ultra]:~$ cmk --debug -vvn 127.0.0.1

Checkmk version 2.0.0b4
Try license usage history update.
Try aquire lock on /omd/sites/ultra/var/check_mk/license_usage/next_run
Got lock on /omd/sites/ultra/var/check_mk/license_usage/next_run
Try aquire lock on /omd/sites/ultra/var/check_mk/license_usage/history.json
Got lock on /omd/sites/ultra/var/check_mk/license_usage/history.json
Next run time has not been reached yet. Abort.
Releasing lock on /omd/sites/ultra/var/check_mk/license_usage/history.json
Released lock on /omd/sites/ultra/var/check_mk/license_usage/history.json
Releasing lock on /omd/sites/ultra/var/check_mk/license_usage/next_run
Released lock on /omd/sites/ultra/var/check_mk/license_usage/next_run
+ FETCHING DATA
  Source: SourceType.HOST/FetcherType.PIGGYBACK
[cpu_tracking] Start [7facaf5384f0]
No piggyback files for '127.0.0.1'. Skip processing.
No piggyback files for '127.0.0.1'. Skip processing.
[PiggybackFetcher] Fetch with cache settings: NoCache(path=PosixPath('/omd/sites/ultra/tmp/check_mk/data_source_cache/piggyback/127.0.0.1'), max_age=0, disabled=False, use_outdated=False, simulation=False, Cache enabled: False
[PiggybackFetcher] Execute data source
[cpu_tracking] Stop [7facaf5384f0 - Snapshot(process=posix.times_result(user=0.0, system=0.0, children_user=0.0, children_system=0.0, elapsed=0.0))]
[cpu_tracking] Start [7facaf5384c0]
+ PARSE FETCHER RESULTS
  Source: SourceType.HOST/FetcherType.PIGGYBACK
No persisted sections loaded
  -> Add sections: []
Received no piggyback data
Loading item states
Try aquire lock on /omd/sites/ultra/tmp/check_mk/counters/127.0.0.1
Got lock on /omd/sites/ultra/tmp/check_mk/counters/127.0.0.1
Releasing lock on /omd/sites/ultra/tmp/check_mk/counters/127.0.0.1
Released lock on /omd/sites/ultra/tmp/check_mk/counters/127.0.0.1
No piggyback files for '127.0.0.1'. Skip processing.
No piggyback files for '127.0.0.1'. Skip processing.
[cpu_tracking] Stop [7facaf5384c0 - Snapshot(process=posix.times_result(user=0.0, system=0.0, children_user=0.0, children_system=0.0, elapsed=0.0))]
OK - execution time 0.0 sec | execution_time=0.000 user_time=0.000 system_time=0.000 children_user_time=0.000 children_system_time=0.000 cmk_time_agent=0.000