Cannont make transformation

[Lawrence Anthony]

I am hoping that someone can get me around this issue:

gst-launch -v --gst-debug-level=2 decklinksrc mode=11  ! ffmpegcolorspace !
videoscale ! videorate ! video/x-raw-yuv,format=\(fourcc\)YUY2,
framerate=\(fraction\)30000/1001, width=640, height=480 ! ffmpegcolorspace !
v4l2sink device=/dev/video0

Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
0:00:00.260784153 11321       0xcd3290 WARN                     bin
gstbin.c:2399:gst_bin_do_latency_func:<pipeline0> failed to query latency
New clock: GstSystemClock
/GstPipeline:pipeline0/GstDecklinkSrc:decklinksrc0.GstPad:videosrc: caps =
video/x-raw-yuv, format=(fourcc)UYVY, width=(int)1920, height=(int)1080,
framerate=(fraction)30000/1001, interlaced=(boolean)true,
pixel-aspect-ratio=(fraction)1/1, color-matrix=(string)hdtv,
chroma-site=(string)mpeg2
0:00:01.235091658 11321       0xa52720 WARN           basetransform
gstbasetransform.c:1288:gst_base_transform_setcaps:<ffmpegcsp0> transform could
not transform video/x-raw-yuv, format=(fourcc)UYVY, width=(int)1920,
height=(int)1080, framerate=(fraction)30000/1001, interlaced=(boolean)true,
pixel-aspect-ratio=(fraction)1/1, color-matrix=(string)hdtv,
chroma-site=(string)mpeg2 in anything we support
ERROR: from element /GstPipeline:pipeline0/GstDecklinkSrc:decklinksrc0:
Internal GStreamer error: negotiation problem.