Loading Data Failed Check The Configuration File Tecdoc New May 2026

“loading data failed — check the configuration file”

It looks like you’re encountering a error related to TecDoc (a widely used automotive parts catalog system).

3. Missing SQL Server / Database Engine

How to fix it (step-by-step)

1. Navigate to the application folder.
2. Right-click the folder -> Properties -> Security.
3. Click Edit -> Add.
4. Type IIS_IUSRS (if running on web) or NETWORK SERVICE and click OK.
5. Grant Full Control or at least Read & Execute.