I am working on an project using ESP32 and Firebase Realtime Database. My app was working fine 3 months ago, but now I am facing an issue.
Problem:
The app is not displaying any values from Firebase (latitude, longitude, etc.).
When I click a button to show location on the map, I get this runtime error:
please assist me to resolve this issue……
What is your ProjectBucket set to in the Designer ?
Which button?
Your error clearly says you have not received any value in the global lat and lan variable. Did you check it? Always debug every variables to know the process flow is working flawless
use the companion app and Do it to debug your blocks, see also tip 4 here App Inventor: How to Learn | Pura Vida Apps
see also Live Development, Testing, and Debugging Tools
