git reports error when checking out in Git Windows

[qqiu]

Git 2.38.1: https://git-scm.com/download/win

$ git clone https://github.com/CppCon/CppCon2019.git
Cloning into 'CppCon2019'...
remote: Enumerating objects: 1840, done.
remote: Counting objects: 100% (156/156), done.
remote: Compressing objects: 100% (88/88), done.
remote: Total 1840 (delta 116), reused 95 (delta 68), pack-reused 1684
Receiving objects: 100% (1840/1840), 444.26 MiB | 8.40 MiB/s, done.
Resolving deltas: 100% (663/663), done.
error: unable to create file Posters/analysis_of_template_matching_by_comparing_cpp_concurrency_with_cuda_and_opencv/analysis_of_template_matching_by_comparing_cpp_concurrency_with_cuda_and_opencv__aditya_immaneni_victor_r_cabrera_vadim_pinskiy_matthew_c_putman__cppcon_2019.pdf: Filename too long
Updating files: 100% (983/983), done.
fatal: unable to checkout working tree
warning: Clone succeeded, but checkout failed.