Error: "The application can't calculate receiver ledger currency amounts" during AP to PPM Import

Summary:

We are facing a critical multi-currency conversion issue in our Grants Management implementation involving foreign donor grants.

Our Setup:

• Planning: Budgeting is done in USD and converted to PKR for local budgetary control using an approved effective planning rate.
• Actuals: Actual vendor costs are captured in AP in local currency (PKR).
• Import to PPM: When importing these actual costs from Payables to Projects, the system is designed to convert PKR back to USD based on the daily corporate conversion rates uploaded in the system.
• Project Settings: We have enabled transactions in both USD and PKR.

The Issue:
We are experiencing calculation mismatches. More critically, the "Import Costs" process is failing for these transactions with the following hard error: