Solution : https://service.sap.com/sap/support/notes/457312 (SAP Service marketplace login required)
Key words :
symptom termination message aa999 'error, additional key words miro, internal tables yanep, diverse asset postings, source code correction, fiscal year check, program error, initial year, accit-gjahr, fi document
Related Notes :
366848 | Wrong fiscal year on posting date of goods receipt |