It could be explained away using transcription errors. Because she compares the announced result at Bomas and the transmitted totals. The data does not sync because it is arrived at from different sources.
That said, the more the reason for IEBC to release everything digital and physical related to this election without any unnecessary delay.
It seems all the errors tend to increase the number of voters. Never reducing them. If you remember the declaration, every county had more voters than on the register except four.