Google has confirmed it inadvertently erased some Google Maps Timeline data belonging to a number of people. The company told CNET the incident resulted from a temporary technical issue but did not elaborate on the specifics. The issue has since been resolved and new visits should now appear in user Timelines.
"We briefly experienced a technical issue that caused the deletion of Timeline data for some people," a Google spokesperson said in a statement. "Nearly everyone with encrypted Timeline backups will be able to restore their data; unfortunately those who did not have backups enabled will not be able to recover lost data."
The company said people need to be on the latest version of Google Maps to recover data from a backup. The incident was [first reported](https://www.androidauthority.com/google-accidentally-delete-maps-timeline-data-3537615/) by tech publication Android Authority.
[Google Maps Timeline](https://support.google.com/maps/answer/6258979?hl=en&co=GENIE.Platform%3DAndroid), which is turned off by default, helps users remember places they've visited and routes taken. The data is typically stored in their Google Account as part of their activity across other Google sites, apps and services.
This isn't the only time Google has encountered problems with Timeline data. It previously faced challenges retrieving some users' data after it transitioned from cloud-based storage to on-device storage as part of an effort to make the feature more secure.