Worker error while taking backup

Hi Friends,
We are having worker error, in worker.error.log file while clicking “DOWNLOAD FILES BACKUP”
please see the attached image.

worker.error.log file is showing these logs:

12:50:29 long: frappe.utils.background_jobs.execute_job(async=True, event=None, job_name=u’frappe.desk.page.backups.backups.backup_files_and_notify_user’, kwargs={‘user_email’: u’admin@example.com’}, method=‘frappe.desk.page.backups.backups.backup_files_and_notify_user’, site=u’site1.local’, user=u’Administrator’) (d468b8d7-aa30-4600-8ec3-bdd7a9560859)

WARNING Property: Unknown Property name. [11:3: overflow-wrap]

12:50:30 long: Job OK (d468b8d7-aa30-4600-8ec3-bdd7a9560859)

12:50:30 Result is kept for 500 seconds

Please note that no other error in error page or error snapshot page.

please help.

It’s not a error. It’s a trace that background job has added in queue.

If you yet not received back and file link. Please check error log.

Thanks saurabh,
I can see one error repeating every 1 hour.

frappe.limits.update_space_usage

{‘retry’: 0, ‘log’: <function log at 0x7f8811332398>, ‘site’: u’site1.local’, ‘event’: u’hourly’, ‘method_name’: u’frappe.limits.update_space_usage’, ‘method’: <function update_space_usage at 0x7f881146e668>, ‘user’: u’Administrator’, ‘kwargs’: {}, ‘async’: True, ‘job_name’: u’frappe.limits.update_space_usage’}
Traceback (most recent call last):
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/background_jobs.py”, line 97, in execute_job
method(**kwargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/limits.py”, line 219, in update_space_usage
update_limits({ ‘space_usage’: usage })
File “/home/frappe/frappe-bench/apps/frappe/frappe/limits.py”, line 159, in update_limits
update_site_config(“limits”, limits, validate=False)
File “/home/frappe/frappe-bench/apps/frappe/frappe/installer.py”, line 294, in update_site_config
with open(site_config_path, “w”) as f:
IOError: [Errno 13] Permission denied: u’./site1.local/site_config.json’

also this one comes once:
frappe.utils.scheduler.restrict_scheduler_events_if_dormant
{‘retry’: 0, ‘log’: <function log at 0x7f8811331398>, ‘site’: u’site1.local’, ‘event’: u’daily’, ‘method_name’: u’frappe.utils.scheduler.restrict_scheduler_events_if_dormant’, ‘method’: <function restrict_scheduler_events_if_dormant at 0x7f8811331aa0>, ‘user’: u’Administrator’, ‘kwargs’: {}, ‘async’: True, ‘job_name’: u’frappe.utils.scheduler.restrict_scheduler_events_if_dormant’}

Traceback (most recent call last):
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/background_jobs.py”, line 97, in execute_job
method(**kwargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/scheduler.py”, line 306, in restrict_scheduler_events_if_dormant
update_site_config(‘dormant’, True)
File “/home/frappe/frappe-bench/apps/frappe/frappe/installer.py”, line 294, in update_site_config
with open(site_config_path, “w”) as f:
IOError: [Errno 13] Permission denied: u’./site1.local/site_config.json’

I already gave permission to 764 yesterday.

I got the reason for these problems. Proper permissions were not given to frappe user.
I have permissions to frappe user for frappe folder and its working fine now.

sudo chown -R frappe frappe

thanks