no longer works. Consider either fixing this or loading the package with the legacy option \usepackage{siunitx}[v2]
With a current latex release there are also a ton of warnings about outdated package/class options, amongst others
You've used obsolete option `abstractoff'.
deprecated option `enabledeprecatedfontcommands'.
'sortlos' option is deprecated.
'babel' option is deprecated.
Usage of this version of package titlesec'(scrreprt) with KOMA-Script classscrreprt' is(scrreprt) not recommended, because the package does not(scrreprt) support KOMA-Script classes, but break them.
Usage of package `tocloft' together(scrreprt) with a KOMA-Script class is not recommended.
I stumbled across your template through this SO post: https://stackoverflow.com/q/67978619/2777074 and noticed a couple of problems with current tex releases
With siunitx v3.0.12 the option
no longer works. Consider either fixing this or loading the package with the legacy option
\usepackage{siunitx}[v2]
With a current latex release there are also a ton of warnings about outdated package/class options, amongst others
titlesec'(scrreprt) with KOMA-Script class
scrreprt' is(scrreprt) not recommended, because the package does not(scrreprt) support KOMA-Script classes, but break them.Maybe it would be good to fix them before they will also cause errors like the outdated siunitx option