Cannot post IB (invoice) batch: Intercompany Out of Balance

When user tries to post the batch, the error is:

Batch 394180 IB in Error

Document AE 14670382 01000 27/5/2015

AA 27/5/2015 14670380 out of bal

    The AA ledger type for 05/27/2015, document 14670380

    is out of balance by -100862.1.

    Verify that each document within this batch is correct.

Intercompany out of balance

The batch has documents, some of which are in USD, others are in the local currency (Kenya).