Solution : https://service.sap.com/sap/support/notes/877981 (SAP Service marketplace login required)
Key words :
accnt assignment element 'functional area', acct assignment element 'grant', account assignment element 'fund', indirect activity allocation, characteristics fund, periodic reposting, errors occurs, blank/space, error occurs, update run
Related Notes :
853169 | ALLOCATION: Actual cycles can only be executed periodically |
851684 | ALLOCATION: Plan cycles can only be executed by period |