Unable to load enfuseAdvanced Lua script

Hello
I’m running ubuntu 24.04 with DT 5.2

I can successfully load other scripts such as align stack, gimp, huggin, etc but I get the following error when running darktable via darktable -d lua

$ darktable -d lua
darktable 5.2.0
Copyright (C) 2012-2025 Johannes Hanika and other contributors.

Compile options:
Bit depth → 64 bit
Debug → DISABLED
SSE2 optimizations → ENABLED
OpenMP → ENABLED
OpenCL → ENABLED
Lua → ENABLED - API version 9.5.0
Colord → ENABLED
gPhoto2 → ENABLED
OSMGpsMap → ENABLED - map view is available
GMIC → ENABLED - Compressed LUTs are supported
GraphicsMagick → ENABLED
ImageMagick → DISABLED
libavif → DISABLED
libheif → ENABLED
libjxl → ENABLED
LibRaw → ENABLED - Version 0.22.0-Devel202502
OpenJPEG → ENABLED
OpenEXR → ENABLED
WebP → ENABLED

See resources | darktable for detailed documentation.
See Sign in to GitHub · GitHub to report bugs.

 0.0001 [dt starting]

darktable -d lua
1.1991 LUA [script installer] dont show not set
1.1991 LUA [script installer] checking for lua directory
1.1991 LUA [script installer] checking for scripts
1.2017 LUA [script installer] line is darktablerc
1.2017 LUA [script installer] line is data.db
1.2017 LUA [script installer] line is data.db.lock
1.2017 LUA [script installer] line is data.db-pre-5.2.0
1.2017 LUA [script installer] line is library.db
1.2017 LUA [script installer] line is library.db.lock
1.2017 LUA [script installer] line is library.db-pre-5.2.0
1.2017 LUA [script installer] line is lua
1.2017 LUA [script installer] scripts found
1.2017 LUA [script installer] line is luarc
1.2017 LUA [script installer] line is shortcutsrc
1.2017 LUA [script installer] line is shortcutsrc.backup
1.2017 LUA [script installer] line is shortcutsrc.defaults
1.2017 LUA [script installer] line is shortcutsrc.edit
1.2018 LUA [script installer] line is user.css
1.9325 LUA ERROR : /home/sher/.config/darktable/lua/contrib/enfuseAdvanced.lua:881: attempt to index a nil value (field ‘integer index’)

Any suggestions as to next steps?

Best
Sher