A candidate flagged an error in the final answer key for the Chemistry section of the 2023 Teacher Recruitment Board exam. The TRB reviewed and confirmed the correct answer for question 159 was "B," not "D" as initially published. This revision triggered a re-evaluation, impacting the results of 2,898 candidates. Scores increased for 2,158 and decreased for 158 based on the revised key. The TRB acknowledges the error and has released the updated results, withdrawing the previous version.