k3b no longer burns anything to DVD

I would like to know where, what and how to fix this annoying 
problem.

O/S = PCLinuxOS 2007

This was the error output when I tried to burn several thousand 
files to DVD

System
-----------------------
K3b Version: 1.0.5

KDE Version: 3.5.9
QT Version:  3.3.8
Kernel:      2.6.18.8.tex5
Devices
-----------------------
SONY CD-ROM CDU5221 1.02 (/dev/hdc, ) [CD-ROM] [CD-ROM] [None]

PIONEER DVD-RW  DVR-106D 1.07 (/dev/hdd, ) [CD-R, CD-RW, CD-ROM, 
DVD-ROM, DVD-R, DVD-RW, DVD+R, DVD+RW] [DVD-ROM, DVD-R Sequential, 
DVD-RW Restricted Overwrite, DVD-RW Sequential, DVD+RW, DVD+R, 
CD-ROM, CD-R, CD-RW] [SAO, TAO, RAW, SAO/R96P, SAO/R96R, RAW/R16, 
RAW/R96P, RAW/R96R, Restricted Overwrite]
Burned media
-----------------------
DVD+R

K3bIsoImager
-----------------------
mkisofs print size result: 2184974 (4474826752 bytes)
Pipe throughput: 4096 bytes read, 0 bytes written.

Used versions
-----------------------
mkisofs: 1.1.7.1
growisofs: 7.0

growisofs
-----------------------
/usr/bin/growisofs: no genisoimage options are permitted with =, 
aborting...

growisofs command:
-----------------------
/usr/lib/cnfbin/growisofs -Z /dev/hdd=/dev/fd/0 -use-the-force-luke=notray -use-the-force-luke=tty -use-the-force-luke=tracksize:2184974 -dvd-compat -speed=4 -use-the-force-luke=bufsize:32m 

mkisofs
-----------------------
2184974
I: -input-charset not specified, using utf-8 (detected in locale 
settings)
Using LIBGMETADOM_GDOME_CPP_SMART000.;1 
for  /libgmetadom_gdome_cpp_smart0-devel-0.2.4b-2pclos2007.i586.rpm 
(libgmetadom_gdome_cpp_smart0-0.2.4b-2pclos2007.i586.rpm)
Using AUBIO_WAVESURFER_PLUGIN_0_000.R;1 
for  /aubio-wavesurfer-plugin-0.3.2-1pclos2007.i586.rpm 
(aubio-wavesurfer-plugin-0.3.1-1pclos2007.i586.rpm)

mkisofs calculate size command:
-----------------------
/usr/lib/cnfbin/genisoimage -gui -graft-points -print-size -quiet -volid 
K3b data project -volset  -appid K3B THE CD KREATOR (C) 1998-2006 
SEBASTIAN TRUEG AND THE K3B TEAM -publisher  -preparer  -sysid 
LINUX -volset-size 1 -volset-seqno 
1 -sort /tmp/kde-jack/k3bj9YZjc.tmp -rational-rock -hide-list /tmp/kde-jack/k3b2e3Rhb.tmp -no-cache-inodes -full-iso9660-filenames -iso-level 
2 -path-list /tmp/kde-jack/k3bMYp7Gb.tmp 

mkisofs command:
-----------------------
/usr/lib/cnfbin/genisoimage -gui -graft-points -volid K3b data 
project -volset  -appid K3B THE CD KREATOR (C) 1998-2006 SEBASTIAN 
TRUEG AND THE K3B TEAM -publisher  -preparer  -sysid 
LINUX -volset-size 1 -volset-seqno 
1 -sort /tmp/kde-jack/k3bDYvXca.tmp -rational-rock -hide-list /tmp/kde-jack/k3bRK1J2b.tmp -no-cache-inodes -full-iso9660-filenames -iso-level 
2 -path-list /tmp/kde-jack/k3bzjakoc.tmp 

EOF


This was the error when I tried to burn an ISO file to DVD



System
-----------------------
K3b Version: 1.0.5

KDE Version: 3.5.9
QT Version:  3.3.8
Kernel:      2.6.18.8.tex5
Devices
-----------------------
SONY CD-ROM CDU5221 1.02 (/dev/hdc, ) [CD-ROM] [CD-ROM] [None]

PIONEER DVD-RW  DVR-106D 1.07 (/dev/hdd, ) [CD-R, CD-RW, CD-ROM, 
DVD-ROM, DVD-R, DVD-RW, DVD+R, DVD+RW] [DVD-ROM, DVD-R Sequential, 
DVD-RW Restricted Overwrite, DVD-RW Sequential, DVD+RW, DVD+R, 
CD-ROM, CD-R, CD-RW] [SAO, TAO, RAW, SAO/R96P, SAO/R96R, RAW/R16, 
RAW/R96P, RAW/R96R, Restricted Overwrite]
Burned media
-----------------------
DVD+R

Used versions
-----------------------
growisofs: 7.0

growisofs
-----------------------
/usr/bin/growisofs: no genisoimage options are permitted with =, 
aborting...

growisofs command:
-----------------------
/usr/lib/cnfbin/growisofs -Z /dev/hdd=/dev/fd/0 -use-the-force-luke=notray -use-the-force-luke=tty -use-the-force-luke=tracksize:1963184 -dvd-compat -speed=4 -use-the-force-luke=bufsize:32m 

EOF

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