https://userapps.support.sap.com/sap/support/knowledge/en/3431975
3431975 - Knowledgebase runtime version saved in ERP/S4 system but not transferred to the connected...
A knowledgebase runtime version is saved in ERP/S4 system in any of the transactions CU34 /CU35 /PMEVC . However it is neither displayed in CRM product master...