[TYPO3-dev] BE form and ajax

[J. Lingott]

  J. Lingott wrote:
>  Hi list,
>
> on a plugin's backend form I am trying to implement some ajax 
> behaviour which is invoked by an included javascript file. The 
> invocation works, but all I am getting on the reply (either using my 
> own ajax.php or the core one) is the following error.
>
> |Fatal error: Cannot redeclare xdebug() (previously declared in 
> Q:\data\worxtuff\tempsites\t3powder\t3lib||\config_default.php:488) in 
> Q:\data\worxtuff\tempsites\t3powder\t3lib\config_default.php on line 492|
>
> Anyone got an idea where that derives from?

Solved by making the init.php require a require_once on my ajax.php, as 
this script is obviously invoked already.