What is a solution of this problem?
Rebuild target 'Target 1'assembling startup_stm32f10x_hd.s...compiling core_cm3.c...compiling misc.c...compiling stm32f10x_gpio.c...compiling stm32f10x_rcc.c...compiling stm32f10x_usart.c...compiling stm32f10x_can.c...compiling stm32f10x_tim.c...comp...