Vouri] cl_crosshair_file ../replay/thumbnails/ql_7
--- Missing Vgui material vgui/crosshairs/../replay/thumbnails/ql_7
you are doing something wrong
are you sure you are in sv_pure 0? you get this error when you're in sv_pure 2/1 server
are you sure you have both .vmt and .vtf files in there and that .vmt correctly points at the .vtf?
https://i.imgur.com/J0fTvnK.png
are you sure that the files are in \custom\stuff\materials\vgui\replay\thumbnails