2206421 - Error "No customer found for this user" in the SD Fiori Sales Order apps

You open one of the Sales Order apps "Create Sales Order", "Change Sales Order" or "Track Sales Order" but there are no customers or items listed. In the transaction /IWFND/ERROR_LOG there is the error "No customer found for this user. Map using the business partner function."

The issue can occur for the SD Fiori applications:

• Create Sales Orders
• Change Sales Orders
• Track Sales Orders

SRA018_SO_TRACKING_SRV, SD_SO_MAN, SRA017_SALESORDER_CREATE_SRV, SD_SO_CRE, Sales Representative, PARVW , KBA , SD-FIO-SLS , Sales Apps , Problem