[Typo3-dev] mysql error in BE List module

Wolfgang Klinger wolfgang at stufenlos.net
Wed Dec 21 16:03:07 CET 2005


 Hi!

 On Wed, 21 Dec 2005, Christoph Koehler wrote the following:
> I just encountered a weird problem. I get a mysql error in the List module  
> of the backend that is caused somehow by the extension I am working on  
> right now.
> The error is just a simple:
> 
> Warning: mysql_fetch_row(): supplied argument is not a valid MySQL result  
> resource in D:\xampp\htdocs\typo3\typo3\t3lib\class.t3lib_db.php on line  
> 754
> 
> So there is something wrong with a database query. The error disappears  
> when I uninstall the extension and reappears when I install it again. I  
> cleared all cache, typo3temp stuff, database tables, so it's not that.
> 
> Does anyone know what could cause this?

 Obviously your extension :-)

 Edit t3lib/class.t3lib_db.php and set $debugOutput to "true" and you'll
 get a full error message in the backend.


 bye
 Wolfgang





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