This error can occur when linking to Dimensions or Supply Chain, and is caused by the Access Connect service timing out due to a large VAT return or database.
Update Access Connect to the latest version to resolve this. Download the installer from the Connection Guide page and run it on top of the existing installation by opening 'AccessDigitalTax.Connect.Installer.Dimensions.exe' in the bin folder. To update the existing instance:
For the first question asking if the databases are workspace ready, please answer 'Y'.
For the second question asking if you would like install another instance, please answer 'N'
If you're already on the latest version of Access Connect, or are using Access Financials, contact our support team for further investigation. For help contacting us, see our Get support article.