henryvonwahl@Henrys-MacBook-Pro:~$ netgen
NETGEN-6.2-dev
Developed by Joachim Schoeberl at
2010-xxxx Vienna University of Technology
2006-2010 RWTH Aachen University
1996-2006 Johannes Kepler University Linz
optfile ./ng.opt does not exist - using default values
togl-version : 2
loading ngsolve library
NGSolve-6.2.1904-48-ge9f7d25a
Using Lapack
Including sparse direct solver UMFPACK
Running parallel using 8 thread(s)
importing NGSolve-6.2.1904-48-ge9f7d25a
2019-06-25 16:24:59.326 netgen[7961:61099] *** Assertion failure in void set_surface_colorspace(CGSConnectionID, CGSWindowID, CGSSurfaceID, CGColorSpaceRef _Nonnull)(), /BuildRoot/Library/Caches/com.apple.xbs/Sources/AppKit/AppKit-1671.50.111/OpenGL.subproj/NSCGLSurface.m:113
2019-06-25 16:24:59.330 netgen[7961:61099] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'CGSSetSurfaceColorSpace failed with 1000'
*** First throw call stack:
(
  0   CoreFoundation                      0x00007fff2e8f0cfd __exceptionPreprocess + 256
  1   libobjc.A.dylib                     0x00007fff58f96a17 objc_exception_throw + 48
  2   CoreFoundation                      0x00007fff2e90ba1a +[NSException raise:format:arguments:] + 98
  3   Foundation                          0x00007fff30bf91e5 -[NSAssertionHandler handleFailureInFunction:file:lineNumber:description:] + 166
  4   AppKit                              0x00007fff2c92130a set_surface_colorspace + 178
  5   AppKit                              0x00007fff2c5c6d70 NSOpenGLContextUpdateOffScreenViewSurface + 927
  6   AppKit                              0x00007fff2c272be9 NSOpenGLContextAttachOffScreenViewSurface + 97
  7   AppKit                              0x00007fff2c5c6238 __27-[NSOpenGLContext setView:]_block_invoke + 397
  8   AppKit                              0x00007fff2bef7b74 NSPerformVisuallyAtomicChange + 132
  9   AppKit                              0x00007fff2c272995 -[NSOpenGLContext setView:] + 99
  10  libgui.dylib                        0x0000000103a97482 Togl_EventProc + 242
  11  libtk8.6.dylib                      0x0000000103adbb5f WindowEventProc + 96
  12  libtcl8.6.dylib                     0x0000000103cd5a65 Tcl_ServiceEvent + 140
  13  libtcl8.6.dylib                     0x0000000103cd5c56 Tcl_DoOneEvent + 140
  14  libtk8.6.dylib                      0x0000000103adbf64 Tk_MainLoop + 33
  15  netgen                              0x0000000103a2be20 main + 2960
  16  libdyld.dylib                       0x00007fff5a7643d5 start + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
Abort trap: 6