Users are encountering a TDS error, T_FV_6351, related to 'Other special allowances under section 10(14)' for the financial year 2023-24 onwards, specifically in RPU version 5.1. The suggested solution involves selecting 'yes' for the 'Whether opting for taxation u/s 115BAC? OR Whether opting out from taxation u/s 115BAC (1A) [Yes/No]' question. If the issue persists, users are advised to file a complaint with a screenshot to TIN_AIN@proteantech.in.