3422519 - Vendor creation CVI_API003 error with supplier-spectific data

Supplier-spectific data were not saved due to the error CVI_API003

SAP S/4HANA Cloud Public Edition

1. Go to the APP Maintain Business Partner
2. Create Business Partner Supplier Role 
3. Maintain the mandatory field but not maintain the email in the communication part.
4. Error is produced

The field "Internet Mail Address" was set as requested in the sscui 103127 Define Account Groups with Screen Layout (Supplier), so if this field is empty then the error will be displayed.

Maintain the field "Internet Mail Address" or revert the field as optional in the SSCUI 103127 Define Account Groups with Screen Layout (Supplier)

3021997 - How to Define Field Status for Customer and Supplier Account Groups (Business Partners) in SAP S/4HANA Cloud

Supplier-spectific data,CVI_API003 , KBA , LO-MD-BP , Business Partners , Problem