Solution : https://service.sap.com/sap/support/notes/1635664 (SAP Service marketplace login required)
Key words :
'planning guide - system landscape directory', system landscape directory, enterprise service repository, compatibility question arises, system landscape, release compatibility, esr system, sld system, sld systems, process integration
Related Notes :
| 1043047 | Compatibility of XI/PI in the system landscape |
| 954820 | Compatibility of SLD in the system landscape |