Segger studio build error

[Stas]

I try to add default nRF sdk libs in Segger studio. All files exist and path corect.

in nutshell i try to add uart module to default ble_app_buttonless_dfu example

[Jørgen Holmefjord]

It looks like you have set the "Additional Input Files" configuration in the solution options, not in the project options. Left click "Solution 'ble_app_buttonless...'" in the Project Items window and remove the settings.