SAP Message AQV861 - You cannot use this function in the basic list

Diagnosis
The function you selected cannot be used for the basic list because thebasic list consists of several lines with different structures, but thefunction requires a basic list in which all the lines have the samestructure (single-line basic list).

Procedure
If you want to used the selected function for the basic list, you mustdefine the basic list as a single-line list.