What is this cmake list error ? any solution?

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-- +++ processing catkin package: 'speech_sythesis_test'

-- ==> add_subdirectory(speech_sythesis_test)
-- Using these message generators: gencpp;genlisp;genpy
CMake Error at /home/low/catkin_ws/devel/share/sound_play/cmake/sound_playConfig.cmake:106 (message):
  Project 'sound_play' specifies '/home/low/catkin_ws/src/sound_play/include'
  as an include dir, which is not found.  It does neither exist as an
  absolute directory nor in
  '/home/low/catkin_ws/src/sound_play//home/low/catkin_ws/src/sound_play/include'.
  Ask the maintainer 'Austin Hendrix <namniart@gmail.com>' to fix it.
Call Stack (most recent call first):
  /opt/ros/indigo/share/catkin/cmake/catkinConfig.cmake:76 (find_package)
  speech_sythesis_test/CMakeLists.txt:6 (find_package)


-- Configuring incomplete, errors occurred!
See also "/home/low/catkin_ws/build/CMakeFiles/CMakeOutput.log".
See also "/home/low/catkin_ws/build/CMakeFiles/CMakeError.log".
make: *** [cmake_check_build_system] Error 1
Invoking "make cmake_check_build_system" failed