Solution : https://service.sap.com/sap/support/notes/614723 (SAP Service marketplace login required)
Key words :
type sy-datar default spacenew function module scms_ao_url_readimport parameters, type sy-mandt default sy-mandtvalue, type sy-datar default spaceexport parameter, function module archivobject_get_urinew import parameters, errorfunction module scms_doc_url_readnew import parameter, type sy-datar default 'a', type sy-datar default space, type sy-datar default spacevalue, sap cache server, default spacevalue
Related Notes :
| 216419 | Multilevel caching and content server proxies |