1.6 mysql num_rows error

[eluser]Tobz[/eluser]
I turned debuging vars on and this is a clean error log.
The error happens well before the controller is called.


DEBUG - 2008-02-04 12:00:17 --> Config Class Initialized
DEBUG - 2008-02-04 12:00:17 --> Hooks Class Initialized
DEBUG - 2008-02-04 12:00:17 --> URI Class Initialized
DEBUG - 2008-02-04 12:00:17 --> Router Class Initialized
DEBUG - 2008-02-04 12:00:17 --> Output Class Initialized
DEBUG - 2008-02-04 12:00:17 --> Input Class Initialized
DEBUG - 2008-02-04 12:00:17 --> Global POST and COOKIE data sanitized
DEBUG - 2008-02-04 12:00:17 --> Language Class Initialized
DEBUG - 2008-02-04 12:00:17 --> Loader Class Initialized
DEBUG - 2008-02-04 12:00:17 --> Config file loaded: config/demand/config.php
DEBUG - 2008-02-04 12:00:17 --> Helpers loaded: url, form, html, supply, array, date
DEBUG - 2008-02-04 12:00:17 --> Database Driver Class Initialized
DEBUG - 2008-02-04 12:00:17 --> Helpers loaded: form, html
DEBUG - 2008-02-04 12:00:17 --> Model Class Initialized
ERROR - 2008-02-04 12:00:17 --> Severity: Warning --> mysql_num_rows(): supplied argument is not a valid MySQL result resource D:\web\Codeigniter\1.6.0\system\database\drivers\mysql\mysql_result.php 37
DEBUG - 2008-02-04 12:00:17 --> Session Class Initialized
DEBUG - 2008-02-04 12:00:17 --> Session class already loaded. Second attempt ignored.
DEBUG - 2008-02-04 12:00:17 --> Controller Class Initialized
DEBUG - 2008-02-04 12:00:17 --> Final output sent to browser
DEBUG - 2008-02-04 12:00:17 --> Total execution time: 0.1645