SAP Message UPWB208 - Value in property '&1' can be a maximum of 255 characters long

Diagnosis You entered a value for attribute '&V1&'that is longer than 255characters. At the same time, the value TRUE is set for the attribute'generate class' of the component 'application'. As rows in the ABAPsource code can be a maximum of 255 characters long, the ABAP OO classcannot be generated. System Response An ABAP OO class cannot be generated for the current Web interface. Procedure Restrict the length of the attribute values of the Web interface to a amaximum of 255 characters. If no ABAP OO class is generated, the lengthof the attributes values is unlimited.