Instantiate Exception

[gpasudha]

Im getting the following error while im clicking any list.seam on the browser...i checked the components.xml...but i cant rectify the error... Please help me sir...

11:59:49,281 ERROR viewhandler Error Rendering
View /SalesInvoiceProductsList.xhtml
org.jboss.seam.InstantiationException: Could not instantiate Seam component: salesInvoiceProductsList

Caused by: java.lang.IllegalArgumentException: EntityManagerFactory not found in JNDI : java:/ERPEntityManagerFactory
Caused by: javax.naming.NameNotFoundException: ERPEntityManagerFactory not bound

How can i rectify this error..

[nickarls]

Look at the examples and make sure your datasource, persistence.xml and components.xml are in sync