The `syncDays` configuration value, if set too high, will result in hitting the [toggle API limit of only returning 1000 time entries](https://github.com/toggl/toggl_api_docs/blob/master/chapters/time_entries.md). As the toggl API suggests, a paginated call to the alternate API command [detailed report](https://github.com/toggl/toggl_api_docs/blob/master/reports/detailed.md) allows for unlimited time log entries.