I made a report of time lines, I have to put in every shape corresponding value, and I need to now I roll in a row. API recommended me, I searched the subject but I have an error. Error filling print ... Could not create instance chart customizer. net.sf.jasperreports.engine.JRRuntimeException: Could not create customize chart er instance. at net.sf.jasperreports.engine.fill.JRFillChart. <init> (JRFillChart.java: 294) Please help me with an example of values and dates ... Thanks