https://userapps.support.sap.com/sap/support/knowledge/en/3302575
3302575 - Error AM216 occurs when trying to create a one time Customer/Vendor in t-code BP | SAP...
When trying to create a one-time Customer/Vendor using t-code BP or t-code XD01/XK01/FD01/FK01, if leaving country field blank, below error message occurs:...