frankly speaking, this map is far from the quality required for rank, and this is the reason↓
check the first script in Ranking Criteria (mania)-> Overall -> Guidelines https://osu.ppy.sh/wiki/en/Ranking_Criteria/osu%21mania
[Every note should correlate to a sound present in the music.]
i suggest you to try to understand this while learning from ranked maps, instead of xxx practice, if your goal is to create a map for rank
the problems in your map could be concluded as: