SAP Message VL569 - Mandatory partner was not transmitted

Diagnosis
The partner required for creating a delivery (Customer
/vendor) was not transferred.

Procedure
Check whether you have the option of specifying a partner. If not,inform your system administrator.

Procedure for System Administration
Check Customizing for this process.
If the user attempted to post a goods movement to a HU-managed storagelocation, maintain the Default values fordeliveries.