Unable to connect to [host name] through port [port number].

Express Invoice was unsuccessful in its attempt to connect to Inventoria. Confirm that Inventoria is running and has Web Access enabled. Verify that the host name entered into Express Invoice is the correct host name or IP address of the computer that is running Inventoria and that the port number entered into Express Invoice matches the port number through which Inventoria accepts web connections.

Connection rejected -- Application integration not enabled by [program name].

The synchronization behavior is not enabled by any business in Inventoria. Complete the setup process for Application Synchronization in the Options dialog of Inventoria.

Connection rejected -- invalid authorization key.

The authorization key entered into this instance of Express Invoice does not match that of Inventoria. The authorization key is case sensitive and must exactly match the authorization key entered into Inventoria.

Quantity change failed -- invalid location name: [location name].

Express Invoice is attempting to update quantities for an item at a location that does not exist in Inventoria. The location name entered into Express Invoice is not case sensitive but must otherwise match the name of one location in Inventoria.

Quantity change failed -- invalid item name: [item name].

Express Invoice is attempting to update quantities for an item that does not exist in Inventoria. The most likely cause of this error is that the item was created locally or deleted from Inventoria after the most recent item synchronization.