OfxFacetracker example-blink crashes on launch

half successful compiling. The app seems to compile then hangs and get the following error in the console. I am able to compile other examples (example-overlay, example-empty)

[warning] ofGLRenderer: drawing an unallocated texture
[warning] ofGLRenderer: drawing an unallocated texture
[warning] ofGLRenderer: drawing an unallocated texture
[warning] ofGLRenderer: drawing an unallocated texture
[warning] ofGLRenderer: drawing an unallocated texture
[warning] ofGLRenderer: drawing an unallocated texture
[warning] ofGLRenderer: drawing an unallocated texture
[warning] ofGLRenderer: drawing an unallocated texture
[warning] ofGLRenderer: drawing an unallocated texture
[warning] ofGLRenderer: drawing an unallocated texture
[warning] ofGLRenderer: drawing an unallocated texture
[warning] ofGLRenderer: drawing an unallocated texture
[warning] ofGLRenderer: drawing an unallocated texture
GVA info: Successfully connected to the Intel plugin, offline Gen6
[warning] ofGLRenderer: drawing an unallocated texture
[warning] ofGLRenderer: drawing an unallocated texture
OpenCV Error: Bad argument (When the input arrays in add/subtract/multiply/divide functions have different types, the output array type must be explicitly specified) in arithm_op, file /Applications/OpenFrameworks/openframeworksDevelop/scripts/apothecary/build/opencv/modules/core/src/arithm.cpp, line 1313
libc++abi.dylib: terminating with uncaught exception of type cv::Exception: /Applications/OpenFrameworks/openframeworksDevelop/scripts/apothecary/build/opencv/modules/core/src/arithm.cpp:1313: error: (-5) When the input arrays in add/subtract/multiply/divide functions have different types, the output array type must be explicitly specified in function arithm_op