Hi Forum I downloaded the new iReport 1.3.1 an now i get this error when i compile the Report with the JasperFillManager.java,v 1.11 2005/11/28 09:20:44 teodord Exp $ When I compile it with the masive compiler in the iReport it works fine. . I'm an amateur in java an so i hope you can help me to update the JavaFillManager. When thats right i need at least v 1.2, is that right? (This Error is show me when I start a report who is compiled with the masive compiler from iReport 1.3.1) Code:java.io.InvalidClassException: net.sf.jasperreports.engine.base.JRBaseReport; local class incompatible: stream classdesc serialVersionUID = 10200, local class serialVersionUID = 10101 thx a lot!! /e: oh sorry the text in the topic is cut. It was something with sectionHyperlink and itemHyperlink. But now you can forget this Problem, sorry for the Thread. Post edited by: jeipack, at: 2007/02/27 11:54