SAP Message BBP_ES_ERP_INT005 - Item &1: E-Sourcing does not support item category &2

Diagnosis You have maintained a vendor that is defined as an 'E-Sourcing' vendorin Customizing, and you want to enter an item with item category2. however, this is not possible because the request forquotation (RFQ) you are working on will be sent to the linked E-Sourcingsystem. The integration with E-Sourcing supports items with itemcategory Standard only. Procedure If you want to send this RFQ to the linked E-Sourcing system, use itemcategory Standard for the relevant item. If you do not want tosend this RFQ to the E-Sourcing system, maintain another vendor.