error in rfc
iam tryin to do rfc connection but iam facing run time error in RFC.not able to create,change and opening the connections.its showing run time error.The error in the program: CL_ALV_TREE_BASE==============CP.The error in the program between this line case sy-subrc. when 1. raise cntl_system_error. when 2. raise dp_error. when 3. raise failed. endcase.