HI Khushboo,
Inconsistency in the classification data please refer OSS note
1864835 - LO-BM: Error 12 126 Inconsistency in batch classif data => terminated.
MSC1N, MSC2N are no longer set up for Batch input.
Please use "old" transaction MSC1 , MSC2 Or use the BAPI, BAPI_BATCH_SAVE_REPLICA.
Regards,
R.Brahmankar