..\OBJ\LTDC_LCD.axf: Error: L6200E: Symbol MemManage_Handler multiply defined (by mpu.o and stm32f7xx_it.o).
..\OBJ\LTDC_LCD.axf: Error: L6200E: Symbol NAND_Handler multiply defined (by nand.o and ftl.o)...\OBJ\LTDC_LCD.axf: Error: L6200E: Symbol NAND_ReadPage multiply defined (by nand.o and ftl.o).