The "loading data failed" error occurs when TecDoc cannot properly access or interpret its core data assets. Since TecDoc relies heavily on accurate configuration to locate and load its extensive product and compatibility data, any misconfiguration in the critical configfile.xml can prevent the application from launching entirely.
Make sure your .env file (or equivalent environment configuration) contains the correct credentials.
To resolve the error in TecDoc, you likely need to re-register the database or fix a broken path in your settings. Recommended Solutions
If it is empty or says "Stopped", right-click the service and select . loading data failed check the configuration file tecdoc best
Inside the XML file, you are looking for the <BDFConfiguration> tag. Within this tag, there is a <DataPaths> section that contains the paths to your data folders. A common mistake is including spaces or incorrect slashes. Here is the exact format you need:
Ensure the DataloadBusinessObjectConfiguration or similar environment declarations in the config file point to the correct, existing directories . :
Use Windows Search for *.config or *.conf modified within the last 7 days. The "loading data failed" error occurs when TecDoc
If a manual path adjustment inside the configuration file does not resolve the issue, the Windows Registry may still host broken path records. Press Windows Key + R , type regedit , and hit .
Check TLS/SSL and certificates
If you find a syntax error, correct it, save, and restart the TecDoc client. To resolve the error in TecDoc, you likely
Solution A: Validate and Edit the Configuration File ( .ini or .xml )
Look for lines indicating database paths, such as DatabasePath= , DataPath= , or ServerName= .