Master thesis mistake [D]

Hey everyone, I’m writing my masters thesis in computer science, my core topic is automatic feature engineering specifically using a genetic algorithm.
I just realized I had a data leakage and once resolved, the results are significantly lower than before. I’m nearing the end of the thesis and have a last meeting with my prof next week. My data is from the company I work with and it can’t be disclosed so my work can’t be reproduced really, but I’m …

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