Randome error reported in Report

Hello,

While running a report in explorer,in selection criteria when i try to get valid entries by clicking on drop down list for any variable, I get the following error (randomly)

"System error in program CL_RSR_WWW_RENDERER and form GET_VARDEF_FOR_F4:03"

The description of the error further says :

Diagnosis

This internal error is a targeted termination since the program has an incorrect status

Procedure

Analyse the situation and inform SAP

Notification Number BRAIN 299

Kindly let me know what can be done to solve this.

Regards,

Nagendra.