By Ali Lyon Asda’s bosses ploughed ahead with a transition onto a new payroll even though they were warned that doing so could risk thousands of workers being paid incorrectly, a report has claimed. Senior executives at the firm were told that moving onto the new system would result in problems that have subsequently affected 30,000 staff, some of whom were underpaid by hundreds of pounds, The Sunday Telegraph reported. Problems around the IT transition first arose last month, when thousands of staff got irregular payments, prompting thousands of complaints and some store managers needing to m…