Sorry for late answer following is the terminal output
Rajs-iMac:~ raj$ /Applications/darktable.app/Contents/MacOS/darktable -d lua
(process:2276): GLib-GObject- CRITICAL **: 17:43:28.614: g_object_set: assertion ‘G_IS_OBJECT (object)’ failed
(darktable:2276): GLib-GObject- WARNING **: 17:43:29.032: invalid cast from ‘GtkMenuBar’ to ‘GtkWindow’
(darktable:2276): Gtk- CRITICAL **: 17:43:29.032: gtk_window_add_accel_group: assertion ‘GTK_IS_WINDOW (window)’ failed
12.078854 LUA enfuseAdvanced - Executable Path Preference: /Applications/Hugin/Hugin.app/Contents/MacOS/align_image_stack
12.335811 LUA enfuseAdvanced - Executable Path Preference: /Applications/Hugin/PTBatcherGUI.app/Contents/MacOS/enfuse
12.426700 LUA enfuseAdvanced - Executable Path Preference: /usr/local/bin/exiftool
272.129724 LUA enfuseAdvanced - Starting Image Fusion
272.130472 LUA enfuseAdvanced - Align Start Command: “/Applications/Hugin/Hugin.app/Contents/MacOS/align_image_stack” -m -g 5 -c 8 -t 3 --corr=0.9 --gpu -a ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0217.tif’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0218.tif’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0212.tif’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0207.tif’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0206.tif’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0223.tif’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0208.tif’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0216.tif’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0219.tif’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0204.tif’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0224.tif’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0213.tif’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0221.tif’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0209.tif’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0220.tif’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0215.tif’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0205.tif’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0222.tif’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0214.tif’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0211.tif’ ‘/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/D2X_0210.tif’
align_image_stack: using graphics card: ATI Technologies Inc. AMD Radeon RX 570 OpenGL Engine
Written aligned images to files with prefix “/var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_”
283.100339 LUA enfuseAdvanced - Completed Align
283.167516 LUA enfuseAdvanced - Blend Start Command: “/Applications/Hugin/PTBatcherGUI.app/Contents/MacOS/enfuse” --exposure-weight=0.0 --saturation-weight=0.0 --contrast-weight=1.0 --exposure-optimum=0.0 --exposure-width=0.0 --hard-mask --contrast-window-size=5 --contrast-edge-scale=0.0 --contrast-min-curvature=0.0% --depth=16 --compression=98 --output=’/Volumes/HackSSD/Stacking_Focus_Exposure/godetia_stack04_1200w/D2X_0204-0224_01.jpg’ /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0000.tif /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0001.tif /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0002.tif /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0003.tif /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0004.tif /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0005.tif /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0006.tif /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0007.tif /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0008.tif /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0009.tif /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0010.tif /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0011.tif /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0012.tif /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0013.tif /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0014.tif /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0015.tif /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0016.tif /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0017.tif /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0018.tif /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0019.tif /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0020.tif
enfuse: warning: exposure width less than 0; will use 1/1024
enfuse: warning: option “–exposure-optimum” has no effect as exposure weight
enfuse: warning: is zero
enfuse: warning: option “–exposure-width” has no effect as exposure weight
enfuse: warning: is zero
enfuse: warning: requested output pixel type is “UINT16”, but image type “JPEG”
enfuse: warning: supports “UINT8” at best; will use “UINT8”
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0000.tif 1/1
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0001.tif 1/1
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0002.tif 1/1
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0003.tif 1/1
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0004.tif 1/1
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0005.tif 1/1
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0006.tif 1/1
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0007.tif 1/1
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0008.tif 1/1
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0009.tif 1/1
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0010.tif 1/1
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0011.tif 1/1
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0012.tif 1/1
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0013.tif 1/1
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0014.tif 1/1
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0015.tif 1/1
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0016.tif 1/1
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0017.tif 1/1
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0018.tif 1/1
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0019.tif 1/1
enfuse: info: loading next image: /var/folders/3x/vz2846ts5tbddfbcmf5_d2zr0000gn/T/aligned_0020.tif 1/1
enfuse: info: narrowing channel width for output as “uint8”
enfuse: warning: must fall back to export image without alpha channel
285.921510 LUA enfuseAdvanced - Completed Blend
285.921554 LUA enfuseAdvanced - EXIFTool Start Command: “/usr/local/bin/exiftool” -TagsFromFile ‘/Volumes/HackSSD/Stacking_Focus_Exposure/godetia_stack04_1200w/D2X_0210.jpg’ -exif:all --subifd:all -overwrite_original ‘/Volumes/HackSSD/Stacking_Focus_Exposure/godetia_stack04_1200w/D2X_0204-0224_01.jpg’
1 image files updated
287.173450 LUA enfuseAdvanced - EXIFTool copy successful
287.173491 LUA enfuseAdvanced - Deleting temp files…
287.191095 LUA enfuseAdvanced - Done deleting
287.191150 LUA enfuseAdvanced - Image fusion process complete