Known Issue Tracker (Bugs, Stability, Crashes)

Structure team members are frequently monitoring the forums, and developer emails for trending issues facing a variety of individuals. We would like to assure members of the community that we are working to resolve the concerns below, part of which is communicating these issues once we know about them.


If you do not see a bug report that you are experiencing, please follow this form to file a bug report.

Reports are investigated typically within 24-72 business hours, and may require further conversation with the reporting individual. While Structure team members are reviewing your bug report we are looking at:

  • Is this a known bug
  • When was the bug introduced
  • Is this bug reproducible
  • How does this bug impact the community

Known Issues:


Bug Name: ST-950: Calibrator: ST01: You can't calibrate ST01 using Indoor Mode

Status: Open

Bug Description: You will not be able to calibrate ST01 using Calibrator

Impacted Hardware/Software: original Structure Sensor (ST01)

Known Workaround: Use Calibrator during the day when it is not cloudy



Bug Name: ST-895: Scanner Sample App : Darkening of the visible frame when performing a second scan

Status: Resolved

Bug Description: In some instances the scan screen will become dark when taking a subsequent scan.

Impacted Hardware/Software: Structure Sensor (Mark II) & Structure Sensor Pro/ Structure Scanner app

Solution: Update to Scanner Sample App - Version 3.0.2 or higher



Bug Name: ST890: Scanner Sample App: Confusing Message Prompt

Status: Under Investigation

Bug Description: If a user opens the app and is not connected to Wifi the app tells the user they need a license instead of notifying them to turn wifi on.

Impacted Hardware/Software: Structure Sensor (Mark II) & Structure Sensor Pro/ Structure Scanner app

Known Workaround: Turn the wifi on for the license to activate at least once every 7 days. You may need to restart the app as well.



Bug Name: Persistent Red/Yellow Overlay in Structure Scanner App

Status: Resolved

Bug Description: Scanner Sample app exhibits a bug where the red/yellow overlay image persists on the scanned object even after starting a scan. This overlay obscures the view of the completed scan, making it challenging for users to assess the quality of the captured data. Several customer reports have been received, expressing concern about this issue. Despite the overlay, other app functionalities appear to operate normally.

Impacted Hardware/Software: Structure Sensor (Mark II) & Structure Sensor Pro/ Structure Scanner app

Solution: Update to Scanner Sample App - Version 3.0.1 or higher.



Bug Name:  ST-546: Structure Sensor (ST02A/ST02B) Compatibility with iOS 17.0.x & iOS 17.1

Status: Resolved

Bug Description:  Structure Sensor (ST02A & ST02B) are incompatible with USB-C iPads/iPhones due to an Apple-related issue. 

Impacted Hardware/Software: Structure Sensor (ST02A/ST02B) with iOS 17.0.x & iOS 17.1

Solution:  Update to iOS 17.2 or a newer version.

Did this answer your question? Thanks for the feedback There was a problem submitting your feedback. Please try again later.