Error in account determination: table T030K key 2000 MW2

Dear Experts,

while i release for accounting the billing document in vf02 or vfx3, i am getting this following message "Error in account determination: table T030K key 2000 MW2", before posting this issue, i searched in google and scn for solution, what ever posted earlier solution, i checked in my system, its configured properly.even though i am getting the message , here with i have attached the screen shot of the specified configuration. kindly check and give me the suggestion.

Prince

Prince