The "configuration file" mentioned in the error typically refers to an XML file (often named config.xml or similar, depending on your version) that tells the software where to find its data.
Test if AV is blocking file access; if so, add TecDoc folder to exclusions.
In short, the configuration file is the map. If the map is missing or wrong, you cannot reach the treasure (the parts data).
: Log into the TecCom Portal to check your organization's settings. Ensure the Connect checkbox is enabled and that your communication channel (Cloud or Direct) is correctly selected.
vehicle_id: "VehicleId" ← someone had “improved” the name.