Selecting the line and "committing" in Shipping Data Entry or SO Invoice Data Entry, then deleting the line.  I've seen this happen where a line was selected, an amount was entered, then the line deleted but did not update the "committed" amount in the item table.  I think this is what the rebuild resolves.

Selecting the line and "committing" in Shipping Data Entry or SO Invoice Data Entry, then deleting the line.  I've seen this happen where a line was selected, an amount was entered, then the line deleted but did not update the "committed" amount in the item table.  I think this is what the rebuild resolves.

Tom,

Do they use RMA to return stock back to inventory?

No RMA.

Hmm,  sounds similar to starting a cash receipt batch and deleting it which can occasionally leave a/r invoices as in the process of being paid.

Annoying part being that it happens inconsistently.