Solution : https://service.sap.com/sap/support/notes/732264 (SAP Service marketplace login required)
Key words : 
fieldid page/servicefor keysap_pcc_v02_service_managercontactcrmdefaulttoroles, navigation object link, contact person bsp, service manager role, incorrect navigation destination, terms crmc_prt_role_mo, sap_pcc_v02_service_manager reason, table crmc_prt_role_mo, pct/specialist/, contactcrm
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