Details are saying I have two different tools of the same compiler. I'm not sure where to go from here to fix this so I can build my project. Any ideas?

This is the detailed message:

Errors occurred during the build.
Errors running builder 'CDT Builder' on project '263\_Hw'.
Internal error building project 263\_Hw configuration Debug
Generated resource conflict: 
two resources of the same name: /263\_Hw/Debug/main.o 
generated by different tools 
tool1: GCC C++ Compiler 
tool2: GCC C++ Compiler

Generated resource conflict: 
two resources of the same name: /263\_Hw/Debug/main.o 
generated by different tools 
tool1: GCC C++ Compiler 
tool2: GCC C++ Compiler

Internal error building project 263\_Hw configuration Debug
Generated resource conflict: 
two resources of the same name: /263\_Hw/Debug/main.o 
generated by different tools 
tool1: GCC C++ Compiler 
tool2: GCC C++ Compiler

Generated resource conflict: 
two resources of the same name: /263\_Hw/Debug/main.o 
generated by different tools 
tool1: GCC C++ Compiler 
tool2: GCC C++ Compiler