Developer's Manual: Before you start...

Please always activate the debug mode first.
1. Open the file "index.php".
2. Change this text:
```
error_reporting(0);
```
  to this text:
```
error_reporting(E_ALL);
ErrorUtility::setErrorReporting(YANA_ERROR_ON);
```
3. Save and close the file.
4. Please deactivate the debug mode before uploading the software to a public server.
Make sure you have the plugin "SDK" installed and activated.
Please read the tutorial first.
Please note the API documentation.
Code examples may be found in the Developer's Cookbook.