Project management - targets with same file names in different paths

Hello,

I'm using uVision 5.34. 

My project contains several targets. Each target has core files, generated by stm32MXcube. All other files are common for all targets.

For instance, each target has its own main.c.

Each target includes its folder with suitable core files and excludes other irrelevant core folders.

Each target has its own folder for output and listing.

My problem is that compiling main.c, gives the following message:

Note: source file '..\Cube\Target_1\Core\Src\main.c' - object file renamed from '..\..\..\Projects\MDK-ARM\Framework\main.o' to '..\..\..\Projects\MDK-ARM\Framework\main_1.o'.

What is the meaning and the cause of these messages? (I think that this issue did not appear in uVision 5.17)

Is there a preferred approach to mange multi target project? 

Thank you

Ari