Создание GUID в ABAP

    DATA lv_guid TYPE guid_32.

    CALL FUNCTION 'GUID_CREATE'
      IMPORTING
        ev_guid_32 = lv_guid.

DATA: l_uuid_c32 TYPE sysuuid_c36.

l_uuid_c32 = cl_system_uuid=>if_system_uuid_rfc4122_static~create_uuid_c36_by_version( version = 4 ).

Для инфо:

https://abap-blog.ru/abap-notes/generaciya-guid-ov/

https://answers.sap.com/questions/11928657/generating-uuid-in-abap.html