Document Splitting error

While deactivating document splitting under company code we are getting error msg"Define the commitment item as a document splitting characteristic", "Define the "KNBELNR" field as a document splitting characteristic".

http://scn.sap.com/thread/1963425

有效方法：

Procedure is:

GO TO TABLE IN SM30

TABLE NAME V_FAGL_SPLIT_ACT

Select no restrictions

Select Maintain

Select  your company code

Select inactive to company code by tick mark

save.