X Error: BadMatch

[Andras Mantia]

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Hi,
 
 Can anybody tell me why I get the below error when this code is executed?

      query = KMessageBox::warningYesNoCancel( this, 
              i18n( "A Document with this name already exists.\nDo you want to 
overwrite it?" ) );

"this" point to a QWidget derived class, but the same happens when I replace 
it with 0.

Error:
quanta: WARNING: KDE detected X Error: BadMatch (invalid parameter attributes) 
\x08
  Major opcode:  *

Andras
	
PS: The same happens in other places of code, where I use KMessageBox and also 
in Kate when you try to overwrite a file, and the question about overwriting 
is shown.
- -- 
Quanta Plus developer - http://quanta.sourceforge.net
K Desktop Environment - http://www.kde.org
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