How To Fix WG028 - Req. no. &, item &: doc. type, supplier and supplying plant not found

SAP Error Message - Details

• Message type: E = Error

• Message class: WG - Messages for store order and investment buy

• Message number: 028

• Message text: Req. no. &, item &: doc. type, supplier and supplying plant not found

What causes this issue?

Neither document type nor source of supply could be determined
using the transmitted data. The order item cannot therefore be
identified.

System Response

The order item is not posted.

How to fix this error?

Transmit useful data.

Error message extract from SAP system. Copyright SAP SE.