Hi @amighri :
I would suggest you check following items.
1. Install SDK_2_8_FRDM-K82F SDK pages into MCUXpresso IDE. after the installation, you should can see the SDK_2_X_FRDM-K82F in the installed SDKs tab.
danielchen_0-1644076031773.png
2. when you import the projects, uncheck 'copy projects into workspace'
danielchen_1-1644076313414.png
3.after a successful project import, check for the correct project configuration. All three projects shall be configured for 'DebugFRDMK82F'
danielchen_2-1644076437671.png
4 After that step. the project structure shall look like in the picture below
danielchen_3-1644076515934.png
Regards
Daniel