Hi ShazzaB, Citus, Benero,
It is unfortunate that this happened with your programs configuration. In similar scenarios what I have noticed is that the computer does not have a static IP address and when it reconnects to the network the router's DHCP which is the protocol in charge of assigning the IP addresses to the networked devices.
Can you please check if this is what is affecting the synchronization. You can easily check this out by going to the Web Access options in Inventoria and if the Local Address, e.g.: http://192.168.1.101:1097, is different from the one showing in the Sync - Apps options in Copper (in Copper you should only have the IP address of the web access from Inventoria, e.g.: 192.168.1.101).
In the case the described above results indeed in having slightly different address (usually only the last number changes) then it means the DHCP manager assigned a different IP address to the computer, the Inventoria's Web Access service can detect this automatically, but the Copper's Sync settings are manually entered and must be manually updated in these cases. This is why it is recommended to have the computer receive an static IP address in the network.
If you need assistance setting this in your network it is recommended to get assistance from the network router's manufacturer support channel.
Regards,