FSM crowd setup
Make sure to follow all the steps described in the official SAP FSM documentation:
https://help.sap.com/viewer/fsm_crowd/Cloud/en-US/configure-single-tenant-crowd.html
Default BP/vendor properties
Note that Crowd Partners can be created in SAP ECC/S4 as both vendors, and Business Partners. Learn more: /PACG/ECM_VENKG - Allowed Vendor account group
It is necessary for allowed vendor account groups to be customized in transaction /PACG/ECM_VENKG. Business Partner crowd class and crowd character should be set as shown below.
Group - vendor account group
CreatDef - Default Vendor account group in creation mode/inbound
Make sure that the maintained account groups are assigned proper number ranges - preferably internal.
Default user values
Default values such as personnel area or subarea are derived from transaction /PACG/ECM_USDEF - User - default values.