Why I am getting this error when I try to generate jasper report

net.sf.jasperreports.engine.JRException: 
Errors were encountered when compiling report expressions class file:
1. Syntax error on token "REPORTS", delete this token
                value = (java.lang.Boolean)(JASPER REPORTS);  
                                                   <----->
2. Syntax error on token "REPORTS", 
delete this token                 value = (java.lang.Boolean)(JASPER REPORTS);                                                     <----->
3. Syntax error on token "REPORTS", 
delete this token                 value = (java.lang.Boolean)(JASPER REPORTS);                                                     <----->
3 errors     at net.sf.jasperreports.engine.design.JRAbstractCompiler.compileReport(JRAbstractCompiler.java:164)   
  at net.sf.jasperreports.engine.design.JRDefaultCompiler.compileReport(JRDefaultCompiler.java:131)  
   at net.sf.jasperreports.engine.JasperCompileManager.compileReportToFile(JasperCompileManager.java:127)
    at net.sf.jasperreports.engine.JasperCompileManager.compileReportToFile(JasperCompileManager.java:109)  
   at it.businesslogic.ireport.IReportCompiler.run(IReportCompiler.java:461)  
   at java.lang.Thread.run(Thread.java:536)

Thanks
ANA