We have released program fixes PR6030T (PR 2.21.2) and PR6031T (PR 2.21.3) to correct an issue where Worker's Compensation wages and expense calculations are incorrect when using Adjusted Percentage and multiple earnings lines and a cafeteria or pension plan deduction are in one payroll entry.
See KB article 112810 for details, then sign into the knowledgebase to download the fix for your version.