Solution : https://service.sap.com/sap/support/notes/633639 (SAP Service marketplace login required)
Key words :
c_klah_bkp c_klah_bkl c_tcla_bka c_cabn assign, symptom missing user authorizations lead, terms sap internet sales, user profiles reason, sap standard system, role maintenance transaction, user profile, authorizations correspondingly, system issues, role sap_crm_internet_customer
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