Changing Compensation Process Status from "Approved" to "Active"

Dear Experts,

I am currently testing out the Enterprise Compensation Management functions and had completed till the stage of "Approved" the compensation process of a particular person "Miss Jenny Tan" for Salary Adjustment.

However, i met issue when trying to use T-code: PECM_CHANGE_STATUS (Change Compensation Process Status) to change the status from "Approved" to "Active".

Salary adjustment of Miss Jenny Tan on 01.12.2010 could not be activated

Message no. HRECM00MASTERDATA009

Moreover, it shows another error message which is to "Enter a quantity" which i don't understand where to place the quantity.

Enter a quantity

Message no. PG071

Which i turn unable me to Update Basic Pay from Planned Compensation using T-code: PECM_UPD_0008_1005 "Update Basic Pay from Planned Compensation"

I hope someone can help me out with this, as i have been trying to figure this out for quiet some time:(

Thank you for your kind assistance.

Regards.