In Sage 50 I have an 8% RSP employee (Deductions Tab) and 4% RSP employer (WCB & Other Expenses). On Paycheque (Payroll Journal) the employer Amount (user-Defined Expenses - employer-paid payroll expenses) is populated to $64.00 based on the employee pay. I add $64.00 to the income in Other Amounts for Emp. RRSP...and this affects the employer amount (user-Defined Expenses - employer-paid payroll expenses) and changes it from $64.00 to $66.56. Am I missing something, or is this a glitch?

Yes, reporting the employer 64$ portion creates additional income. Adding back the taxable 64$ manually to the paycheque creates additional taxable income ($2.56 = 4% of $64) since it increases the RSP calculation to reach 4%...which should be reported as taxable income...which will increase the amount to reach 4%... (endless loop...lol).