The following error is shown when you try to post an invoice
It's also not possible to add a new supplier/customer if you're not connected to the accounting system. The following error message will then appear:
Synchronization user
If the synchronization user is not linked to the accounting system, the synchronization will fail. The the error in the synchronization screen (left menu) will show "General system error: contact Basecone support." for example with Twinfield.
Solution
To solve this, it is necessary to re-establish the link in Basecone with the accounting system. Do this by following these steps:
Log into Basecone
Click on the icon in the top right corner and go to User settings
Go to the Accounting system users tab
Click on Connect
Login. If you were already logged in, you will be redirected immediately.
Click Yes, Allow