segmentation fault insert QString in QCombobox

[regix]

void MagickFontDlgImpl::fillPointSizes()
{
	int my_pointsizes[] = {4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,22,24,26,28,32,48,64,80,96,128,256};
    for (int j = 0; j < 28; ++j)
    {
	this->cboPoint->insertItem(QString::number(my_pointsizes[j]),j);	
    }
 
    this->cboPoint->setCurrentText(QString::number(this->getpsize()));
}

void MagickFontDlgImpl::fillPointSizes()
{
	int my_pointsizes[] = {4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,22,24,26,28,32,48,64,80,96,128,256};
    for (int j = 0; j < 28; ++j)
    {
	this->cboPoint->insertItem(QString::number(my_pointsizes[j]),j);	
    }
    
    this->cboPoint->setCurrentText(QString::number(this->getpsize()));
}

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this code sometimes gives segmentation fault. Although I made the combobox with designer and a similar combobox on the form fills up fine, this one does'nt want to be initiated.

comboTtf = new QComboBox( FALSE, groupBox1, "comboTtf" );
    comboTtf->setGeometry( QRect( 128, 71, 111, 22 ) );
 
    textLabel2 = new QLabel( groupBox1, "textLabel2" );
    textLabel2->setGeometry( QRect( 11, 111, 111, 25 ) );
    textLabel2->setMinimumSize( QSize( 100, 25 ) );
    textLabel2->setBackgroundOrigin( QLabel::WidgetOrigin );
 
    cboPoint = new QComboBox( FALSE, groupBox1, "cboPoint" );
    cboPoint->setGeometry( QRect( 130, 110, 110, 22 ) );
    cboPoint->setEditable( TRUE );
    layout105->addWidget( groupBox1 );

comboTtf = new QComboBox( FALSE, groupBox1, "comboTtf" );
    comboTtf->setGeometry( QRect( 128, 71, 111, 22 ) );

    textLabel2 = new QLabel( groupBox1, "textLabel2" );
    textLabel2->setGeometry( QRect( 11, 111, 111, 25 ) );
    textLabel2->setMinimumSize( QSize( 100, 25 ) );
    textLabel2->setBackgroundOrigin( QLabel::WidgetOrigin );

    cboPoint = new QComboBox( FALSE, groupBox1, "cboPoint" );
    cboPoint->setGeometry( QRect( 130, 110, 110, 22 ) );
    cboPoint->setEditable( TRUE );
    layout105->addWidget( groupBox1 );

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this comes from the code generated by designer.

I already cleaned the project and recompiled : no luck

I removed the combo and added a combo with the same name, the code compiled and worked, except some connections were broken. When I corrected the connections the code broke again.

How can I get a combobox in existence????

Reginald