[TYPO3-shop] discount

[Franz Holzinger]

Hello Bernd,

> but after the database copy to the backup system I got the error:
> 
> Warning: mysql_num_rows(): supplied argument is not a valid MySQL result
> resource in
> /home/bonnlaen/public_html/typo3/typo3_src-3.8.0/t3lib/class.t3lib_db.php
> on
> 
> in FE (line 741) and BE (line 729).
> 

activate the db debug output.

http://wiki.typo3.org/index.php/Extension_Development#Database

And the error_log output to see the names of the files where an error
has occured.


Franz