Solution : https://service.sap.com/sap/support/notes/706498 (SAP Service marketplace login required)
Key words :
0 sp 2 patch 3 hotfix 2, class portalcomponentcontenttypecan savely, concurrent modification reason, terms concurrent, apply ep 6, correction fixes, concurrentmodificationexception, portalcomponentcontenttype, prerequisites
Related Notes :
| 708507 | EP 6.0 SP2 Patch 3 Hotfixes |