SAP Message UO099 - There are fewer than 12 participating currencies

Diagnosis
During analysis of your currency settings in Customizing, the systemfound that you already made settings that are necessary for theintroduction of the euro. However, you made these settings for fewerthan 12 participating currencies (11 national currencies and thecurrency to be replaced - the ECU). If, before the dual currency phaseis over, you enter business transactions in a participating currencyfor which you have not yet made any settings, amounts cannot beconverted in the way stipulated in the legal regulations.

Procedure
Enter the necessary settings in Customizing for the currencies stillmissing.

135235EWCM fewer than 12 participnt currencies msg UO099
131454EWCM for Customizing carried out manually