Default expense accounts for multiple HR assignments

Hi all,

OIE usage description:

I'm currently using the Oracle Internet Expenses with multiple Operating Units, using a responsibility that is mapped for each Operating Unit.

Each employee has an user to access his/her respective OIE responsibility.

Issue description:

Now I've got several employees with multiple HR assignments and each assignment is linked to a different Ledger (and a different default expense account, since the keyflexfield structure is different for each ledger).

For these employees, if I give them access to the respective OIE responsibilities for their multiple assignments, the cost centre will be empty when accessing the OIE responsibility of the second assignment and I'll face the error "Please enter an approver". Further, if I clear the operating units in the respective profile options for the second OIE responsibility (eg: OIE responsibility added for a second assignment), I'll not face the "Please enter an approver" error but the list of values of my keyflexfield segments will be