Export failed to meet required bit rate and color space specs - ProRes 422 to MPEG2

Using Premiere Pro CC v7 I exported a ProRes 422(HQ) file to MPEG2 and selected the HD 1080p 23.976 preset. I needed the finished file to have a minimum bit rate of 50Mbps and the color space to be YUV422. I was way under the minimum bit rate and the color space was incorrect. Can someone please instruct me on how to achieve my desired results. Thanks!

The source frame rate is 23.976, so I guess I would go with 24p. My intention is to upload the file to a streaming video website. They have their specs laid out for me, I just happen to be new to all of this so I am having a tough time meeting them.
My question right now is, if i have selected the MXF OP1a XDCAM option with XDCAM 50 NTSC (4:2:2) video codec, will the export be in mpeg2 and what will my bit rate be? I have no way of viewing the bit rate with this configuration.
Here is a screen grab of their required specs:

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I am slightly confused by what you said...
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Armut12 wrote:
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Export failed to meet required bit rate and color space specs - ProRes 422 to MPEG2

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