Looking at the "-" Difficulty.
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[BTW you didn't map the whole song. I think in order to be ranked the full song should be mapped or cut.]
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SPOILER
Chart:Starting from 00:00:994 to 00:28:994 you repeated the same note more than 7 times. (Beatmaps must have less than 8 notes in a row!)
SPOILER
That's all for my mod! Hope it helped lots! From 00:00:994 to 00:28:994 you should use different patterns. Its a very bland beatmap. Fairly boring. I'd like more meaning to it!
[BTW you didn't map the whole song. I think in order to be ranked the full song should be mapped or cut.]