This longplay was rejected because it did not meet the following requirements:
=> The video was encoded in an unnecessarily high resolution of 800x600. This resolution is neither a native console resolution nor a multiple of any native resolution.
As this game clearly does not support HD, the only accepted resolution is 720x480, also known as 480p.
You can refer to the attached screenshot for evidence.
We strongly advise you to seek the guidance of video wizards (ScHlAuChi, RickyC and others) on our IRC channel