Corrigendum to Commission Regulation (EC) No 2689/98 of 11 December 1998 determining the quantity available for the first half of 1999 for certain products in the milk and milk products sector under the schemes provided for in the Europe Agreements between the Community and the Republic of Hungary, the Republic of Poland, the Czech Republic, the Slovak Republic, Bulgaria and Romania, in the Agreements on free trade between the Community and the Baltic States (Official Journal of the European Communities L 337 of 12 December 1998)