3750119 - Error "Zero or multiple items received" when updating delivery schedule using SOAP API "Delivery Schedule of Sales Scheduling Agreement - Update (B2B)"

When using the SOAP API "Delivery Schedule of Sales Scheduling Agreement - Update (B2B)" for updating delivery schedule of multiple items, the payload is returning error "Zero or multiple items received".

SAP S/4HANA Cloud Public Edition

Multiple items were included in a single request, which is not supported by this API currently.

• Pass each item in a separate payload request when using the SOAP API "Delivery Schedule of Sales Scheduling Agreement - Update (B2B)", as by standard, passing multiple items in a single request is not supported yet. However, you can include multiple schedule lines of the same item under single request.
• Consider creating a feature request for this business requirement. This will inform our developers as to what additional functionality should be considered for future releases. Refer the KBA 2963059 for more information.

• Delivery Schedule of Sales Scheduling Agreement - Update (B2B)
• 3388235 - How to create/update the delivery schedule of sales scheduling agreements using an API 
• 2963059 - How to Submit Feature Requests for SAP S/4HANA Cloud Product 

Delivery Schedule of Sales Scheduling Agreement - Update (B2B), SOAP API, zero or multiple items received, item update, unique customer reference, sales scheduling agreement API, public cloud. , KBA , SD-SLS-API-2CL , API (Public Cloud) , Problem