generator usually makes duplicated data

[rumjie]

I have dataframe 1000 rows and 27 cols and most of columns are categorical. By using tab gan and 4~5 rows of df are exactly same. I don't think it will be helpful to models - is this relative with categorical data or lack of data size?

[adesh14]

hey,
I am encountering an error like [LightGBM] [Warning] No further splits with positive gain, best gain: -inf
my dataset contains 360 rows and 19999 col can you please guide what could be the problem