Error: Flash Download failed - Could not load file 'ProjectFON\ProjectFON.axf'

Please help how to generate the .axf ....
flash download fail could not load the file

HI i am using NUCLEO-L152RE .and i am trying to flash the blink example but i am getting error on while flashing how to solve this ?
ERROR:Flash Download failed - could not load file

hi everyone I'm using keil 5 for stm32 i have problems fist while building my project these black windows comes for 1 second: second when i want to load my project i have this error :...
ERROR:Flash Download failed - could not load file

hi everyone I'm using keil 5 for stm32 i have problems fist while building my project these black windows comes for 1 second: second when i want to load my project i have this error :...
\Keil_v5\Objects\Vowels.axf'. Debugger aborted !could not load file

I'm getting the error below while trying to start debug: ".\Objects\Vowels.axf" - 1 Error(s), 0 Warning(s). Target not created. Build Time Elapsed: 00:00:01 Error: Could not load file 'C:\Keil_v5...