App crashes when opening projects with missing layer or CRS on Android 9

[IvaKuklica]

Description When trying to open projects with missing layer or missing CRS on Android 9 device, the app crashes immediately.

Environment Staging

Application (+ app version, build, operating system)

• App version: 2025.7.0 (build 721011)
• Samsung Galaxy Tab S3, Android 9
• projects: tester-ws-1 / project tc08_missing_layer
• projects: tester-ws-1 / project tc08_missing_crs

Steps to reproduce

1. Open Mergin Maps Input app on Android 9 device
2. Download and open project tc08_missing_layer
3. Observe that app crashes
4. Download and open project tc08_missing_crs
5. Observe that app crashes again

Actual results The app crashes immediately when trying to open either project.

Expected results The app should handle missing layer/CRS gracefully and show an appropriate error message to the user instead of crashing.

Screenshots or logs No screenshots available as the app crashes immediately.

Conclusion Created by GitHub Copilot and supervised by a human test analyst.