"System error in program CL_RS_TIME_DERIVE and form _CHECK_LINE_CHAVL_W_FINEST-1-"

Hi Experts,

"System error in program CL_RS_TIME_DERIVE and form _CHECK_LINE_CHAVL_W_FINEST-1-" i am getting the error while running Process chain at DTP step

please tell me what action i need to take..

please find attached screen shot

Thanks

Sravan