Exception in thread Thread-4:
Traceback (most recent call last):
  File "/usr/lib/python3.7/threading.py", line 917, in _bootstrap_inner
    self.run()
  File "/home/sakkaku/.config/blender/2.79/scripts/addons/rprblender/render/scene.py", line 539, in run
    self.renderer.render_proc()
  File "/home/sakkaku/.config/blender/2.79/scripts/addons/rprblender/render/scene.py", line 686, in render_proc
    next(render_iter)
  File "/home/sakkaku/.config/blender/2.79/scripts/addons/rprblender/render/scene.py", line 175, in render_proc
    yield from self._render_proc()
  File "/home/sakkaku/.config/blender/2.79/scripts/addons/rprblender/render/scene.py", line 292, in _render_proc
    pyrpr.ContextRender(self.get_core_context())
  File "/home/sakkaku/.config/blender/2.79/scripts/addons/rprblender/pyrpr.py", line 57, in wrapped
    raise CoreError(status, f.__name__, argv, module_name)
pyrpr.CoreError: RPR call ContextRender(<pyrpr.Context object at 0x7fe506f55a20>) returned error code <ERROR_OPENCL<-26>> with error message: 'b'TahoeContext: render failed //// TAHOEERROR: FILE=../Adl/CL/AdlKernelUtilsCL.cpp LINE=409 MESSAGE=ADLASSERT  //// FREXCEPTION : FILE=../Tahoe/Renderer.cpp LINE=707 ERROR=-26 ////''

2018-09-14 09:32:07,460 CRITICAL rpr.render [140622215226048]:  ERROR: It is recommended to restart Blender
 Render thread crashed