Beaglebone black + chipsee 7inch screen

hello! i have the same error in a beaglebone black +chipsee 7inch screen+ wheezy + of084. how fix it?
thanx for share!

[ error ] ofAppGLFWWindow: 65542: X11: Failed to open X display
[ error ] ofAppGLFWWindow: couldn’t init GLFW
[ error ] ofAppGLFWWindow: 65537: The GLFW library is not initialized
[ error ] ofAppGLFWWindow: 65537: The GLFW library is not initialized