Empty of invalid response

the response is here:

INFO [2016-08-12 00:38:31] ---------------------------
INFO [2016-08-12 00:38:31] INIT
INFO [2016-08-12 00:38:31] Running Piwik 2.16.2 as Super User
INFO [2016-08-12 00:38:31] ---------------------------
INFO [2016-08-12 00:38:31] NOTES
INFO [2016-08-12 00:38:31] - Reports for today will be processed at most every 150 seconds. You can change this value in Piwik UI > Settings > General Settings.
INFO [2016-08-12 00:38:31] - Reports for the current week/month/year will be refreshed at most every 3600 seconds.
INFO [2016-08-12 00:38:31] - Will process 1 other websites because some old data reports have been invalidated (eg. using the Log Import script) , IDs: 1
INFO [2016-08-12 00:38:31] ---------------------------
INFO [2016-08-12 00:38:31] START
INFO [2016-08-12 00:38:31] Starting Piwik reports archiving…
INFO [2016-08-12 00:38:31] Old report was invalidated for website id 1
INFO [2016-08-12 00:38:31] Will pre-process for website id = 1, period = day, date = last5
INFO [2016-08-12 00:38:31] - pre-processing all visits
INFO [2016-08-12 00:38:31] Done archiving!
INFO [2016-08-12 00:38:31] ---------------------------
INFO [2016-08-12 00:38:31] SUMMARY
INFO [2016-08-12 00:38:31] Total visits for today across archived websites: 0
INFO [2016-08-12 00:38:31] Archived today’s reports for 0 websites
INFO [2016-08-12 00:38:31] Archived week/month/year for 0 websites
INFO [2016-08-12 00:38:31] Skipped 1 websites
INFO [2016-08-12 00:38:31] - 0 skipped because no new visit since the last script execution
INFO [2016-08-12 00:38:31] - 0 skipped because existing daily reports are less than 150 seconds old
INFO [2016-08-12 00:38:31] - 0 skipped because existing week/month/year periods reports are less than 3600 seconds old
INFO [2016-08-12 00:38:31] - 1 skipped because got an error while querying reporting API
INFO [2016-08-12 00:38:31] Total API requests: 0
INFO [2016-08-12 00:38:31] done: 0/1 0%, 0 vtoday, 0 wtoday, 0 wperiods, 0 req, 219 ms, 1 errors.
INFO [2016-08-12 00:38:31] Time elapsed: 0.219s
INFO [2016-08-12 00:38:31] ---------------------------
INFO [2016-08-12 00:38:31] SCHEDULED TASKS
INFO [2016-08-12 00:38:31] Starting Scheduled tasks…
INFO [2016-08-12 00:38:31] done
INFO [2016-08-12 00:38:31] ---------------------------
INFO [2016-08-12 00:38:31] ---------------------------
INFO [2016-08-12 00:38:31] SUMMARY OF ERRORS
INFO [2016-08-12 00:38:31] Error: Empty or invalid response ’

' for website id 1, Time elapsed: 0.203s, skipping

where is problem? How can I fix it?