How to setup a deduction that needs to count towards another deduction?

We are running into an issue with deductions for the Deferred Compensation Plan and Retirement Plan. The company paid deductions for the deferred compensation plan needs to count towards the company contribution to the retirement plan. For example, if the company contributes $145 to the employee's deferred compensation, this counts amount is added to the retirement plan special accumulator. However, if an employee selects to have 90-100% of the salary to be contributed to the deferred compensation plan, the payroll error message 'The Special Accumulator shown below was used to calculate a deduction. As a result of insufficient net pay, deductions