Solution : https://service.sap.com/sap/support/notes/133154 (SAP Service marketplace login required)
Key words : 
maintainedfor exchange rate type 'm', exchange rate type 'm', alternative exchange rate type, additional key words tcurr, create/change sd documents, reorganize sd documents, control table tcurr, error message m2802, error message m2810, prerequisites missing entries
Related Notes : 
       
| 751071 | SIS: M2802 error when determining local currency | 
| 204130 | SIS update: Collective note | 
| 174141 | SIS: Collective note - Customizing | 
| 91481 | Customizing of currency tables for the euro |