My Oracle Support Banner

UNABLE_TO_RESERVE Error Message Due to Missing Conversion Rate (Doc ID 2930389.1)

Last updated on FEBRUARY 27, 2023

Applies to:

Oracle Purchasing - Version 12.2 and later
Information in this document applies to any platform.


On : 12.2.12 version, Approvals/Accounting Encumbrance - Req, PO

When attempting to AUTO APPROVE or Manually submit Purchase Order for Approval following Error occurs ,while Reserving Funds against the Purchase Order 



A conversion rate does not exist to convert XXX to YYY for the conversion type XXXXX-XXX and conversion date DD-MMM-YY for line #N.  

Please use the Daily Rates form in General Ledger to enter a conversion rate for these currencies, conversion date and conversion type.


1. Login to Purchasing Responsibility
2. Navigate to Purchase Orders > Purchase Orders
3. Enter the Required Purchase Order : headers , Line , shipment and Distribution level information pertaining to Encumbrance
4. Click On APPROVE
5. Check the RESERVE Check box
6. Try and submit the PO for Approval
7. Check the Budgetary control Result for the below error


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.