SAP Message UPWB133 - Syntax error in generated class

Diagnosis
There is a syntax error in the generated global ABAP-OO class. Thisshould not occur. However, if you have created the class yourselfbeforehand, then elements/parts of this class could possibly stillexist. Therefore, delete this class before the next generation in thetransaction se80.

Procedure
Report this error to SAP.