https://www.youtube.com/watch?v=d6XzcpjlsKo
2 Tcodes, MMRV & MMPV .... sometimes you need to update the closed month 1 by 1.
SAP -Posting only Possible in Periods YYYY/MM & YYYY/MM in company 1000
原文：http://www.cnblogs.com/JulietLV/p/7632797.html
