I understand that, and I have it configured per that article.
The problem is that it doesn't actually work in anything like real time.
For the last two days I've left both programs up and running, with a handful of sales invoiced in Express Invoice and a couple of new items added into inventoria.
Nothing has updated in anything like real time.
The new items added in Inventoria have propagated through to Express Invoice within an hour or so
Some but not all of the quantities for the invoiced items have propagated back to Inventoria - some within a few hours, some after two days - in no particular order.
I can't see any rhyme or reason for when updates occur, there doesn't seem to be any visibility of the progress of synchronisation or any error notifications etc. Presumably you just have to enter an invoice and cross your fingers that the quantities will get synched up some time in the next week.
How on earth am I supposed to trust this?
Whats more - I've now realised that all that happens from Express Invoice back to Inventoria is an upadate of the available quantity. So you can report on the current quantity in Inventoria, you can report on when you received stock into Inventoria - but you can't report on when stock was sold. How do I manage inventory if I've got no way of seeing the rate at which I'm selling stock? I sort of could get it from Express Invoice - but that kind of defeats the point of having a dedicated inventroy management system
All up - it isn't fit for purpose. There is no way to trust the integration, which means I cannot use it. But even if it did work as I think it was intended it doesn't actually provide any worthwhile functionality. Back to my spreadsheets.
Complete waste of time and money....
I bought this based on my experience with Express Invoice installed in 2016 which I had been very happy with. The OS update to Catalina forced an upgrade for Express Invoice and was the trigger for adding Inventoria. Inventoria is not fit for use, and it turns out that the Express Invoice upgrade was a major downgrade with significant degradation of performance and lots of functionality that has been broken. So far no meaningful response from NCH support