Describes the cause and action for error messages.
Error Message(English)：
sync not working
Cross account sync not working
https://stackoverflow.com/questions/46683819/cross-account-sync-not-working
's3cmd sync' is working but not 'aws s3 sync'
https://stackoverflow.com/questions/35193275/s3cmd-sync-is-working-but-not-aws-s3-sync
aws s3 sync not working for restored glacier objects ・ Issue #3250 ...
https://github.com/aws/aws-cli/issues/3250
AWS Developer Forums: Tag: cognito_sync
https://forums.aws.amazon.com/tags/cognito_sync
GTM Config Sync not working - F5 DevCentral - F5 Networks
https://devcentral.f5.com/questions/gtm-config-sync-not-working
#8533 (Folder Sync not working as expected) ? Cyberduck
https://trac.cyberduck.io/ticket/8533
Adventure sync not working? : pokemongo - Reddit
https://www.reddit.com/r/pokemongo/comments/9usdj8/adventure_sync_not_working/
Number sync not working - Page 2 - AT&T Community
https://forums.att.com/t5/Wearables/Number-sync-not-working/td-p/5471420/page/2
Samsung Gear and Strava ? Strava Support
https://support.strava.com/hc/en-us/articles/218887007-Samsung-Gear-and-Strava?page=3