Solution : https://service.sap.com/sap/support/notes/846649 (SAP Service marketplace login required)
Key words : 
cross-company code document, description 'error occurred'            save, cross-company code posting, internal contract/rental object, contract/rental object, source code correction, company code validation, source code corrections, vacancy periodic posting, company code
Related Notes : 
       
| 973249 | REITDS: RW 015 with intercompany documents | 
| 913432 | RW 015 for intercompany documents | 
| 912445 | RERAPP/RERAVP: CO objects in other company codes |