I have STM32F746G-Discovery. I work on Eclipse, CubeMX 5.4.0, stmWin, FreeRTOS, Graphics-TouchGFX.

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After compilation, I cannot program STM. An error appears. Why?

make: *** No rule to make target 'Middlewares/STemWin/GUI_X_OS.o', needed by 'sterownik.elf'. Stop.

19:15:33 Build Finished (took 6s.179ms)