Error: L6200E: Symbol SEGGER_RTT_WaitKey multiply defined (by segger_rtt_1.o and segger_rtt.o).

[IC]

Hi,

I followed the RTT tutorial but When I try to BUILD the project I got this error. What is it?

Error: L6200E: Symbol SEGGER_RTT_WaitKey multiply defined (by segger_rtt_1.o and segger_rtt.o).
Error: L6200E: Symbol SEGGER_RTT_WriteString multiply defined (by segger_rtt_1.o and segger_rtt.o).
Error: L6200E: Symbol SEGGER_RTT_ConfigDownBuffer multiply defined (by segger_rtt_1.o and segger_rtt.o).
Error: L6200E: Symbol SEGGER_RTT_ConfigUpBuffer multiply defined (by segger_rtt_1.o and segger_rtt.o).
Error: L6200E: Symbol SEGGER_RTT_GetKey multiply defined (by segger_rtt_1.o and segger_rtt.o).
Error: L6200E: Symbol SEGGER_RTT_HasKey multiply defined (by segger_rtt_1.o and segger_rtt.o).
Error: L6200E: Symbol SEGGER_RTT_Init multiply defined (by segger_rtt_1.o and segger_rtt.o).
Error: L6200E: Symbol SEGGER_RTT_Read multiply defined (by segger_rtt_1.o and segger_rtt.o).
Error: L6200E: Symbol SEGGER_RTT_SetTerminal multiply defined (by segger_rtt_1.o and segger_rtt.o).
Error: L6200E: Symbol SEGGER_RTT_TerminalOut multiply defined (by segger_rtt_1.o and segger_rtt.o).
Error: L6200E: Symbol SEGGER_RTT_Write multiply defined (by segger_rtt_1.o and segger_rtt.o).

[Jørgen Holmefjord]

It looks like you have included the SEGGER_RTT.c source file two times. Please remove one of the files.