SAP Message BK829 - The document has too many line items (maximum number = &)

Diagnosis
The document entered has more than &V1& posting rows.
For each document item entered, a posting row is generated in eachaccount assignment object.
A CO document can contain no more than &V1& posting rows.
Due to multiple account assignments in the document items entered, thelimit in your document was reached with item &V2&.

System Response
As not all the document items could be processed, the document enteredcannot be posted.

Procedure
Reduce the number of document items so that the maximum allowed numberof posting rows is not exceeded.
If necessary, post only the first &V2& items and enter the rest in anew document.