2023.0 beta1 assert after klick on [Stitch]

Hello,

klicking Stitch! on the Stitcher tab yields assert errors like this one:

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ASSERT INFO:
/usr/include/wx-3.2/wx/strvararg.h(484): assert "(argtype & (wxFormatStringSpecifier<T>::value)) == argtype" failed in wxArgNormalizer(): format specifier doesn't match argument type

BACKTRACE:
[1] HuginQueue::detail::GenerateFinalArgfile(HuginBase::Panorama const&, wxString const&, wxConfigBase const*, std::set<unsigned int, std::less<unsigned int>, std::allocator<unsigned int> > const&, double)
[2] HuginQueue::GetStitchingCommandQueue(HuginBase::Panorama const&, wxString const&, wxString const&, wxString const&, wxString&, wxArrayString&, wxArrayString&, std::ostream&)
[3] RunStitchPanel::StitchProject(wxString const&, wxString const&, wxString const&)
[4] wxEntry(int&, wchar_t**)
[5] __libc_start_main
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(2023.0 beta1, built against libepoxy)

cu Andreas