SAP Message 88768 - Error saving article quantity flow: &1, material &2, doc. number &3

Diagnosis
An error occurred in the database update during creation of a documentfor article-specific quantity flow for article &V1&, document numberV2.

System Response
The system can not continue processing.

Procedure
Please check your settings for the number range (object "J_7LBELEG",interval "003") and, if relevant, for the table memory area on thedatabase, or contact your system administrator.