Costcenter upload through LSMW

Hi All

When uploading costcenter (S to K A011) through LSMW, i am getting the below error.

" No time constraint exists for key 51001 000000001001B0111 2009080199991231S 600020"

When i update manually, i am not getting the error. I am able to update.

With regards

K.Vijayaraghavan