Exception while entering recording tab (1 Viewer)

[ehobel]

TV-Server Version: 14573
MediaPortal Version: 14566
MediaPortal Skin: Blue two
Windows Version: WinXP
CPU Type: P4 3200
HDD: 300 GH WD
Memory: 1GB DDR
Motherboard: ASUS
Motherboard Chipset: -
Motherboard Bios: -
Video Card: ATI Readon 9550
Video Card Driver: 8.302.0.0
Sound Card: Realtec AC97
Sound Card AC3:
Sound Card Driver:
1. TV Card: Twinhan
1. TV Card Type: DTV
1. TV Card Driver: BDA 1.2.3.8
2. TV Card: Technisat
2. TV Card Type: SS2
2. TV Card Driver: BDA 4.4.1
3. TV Card: Technisat
3. TV Card Type: SS2
3. TV Card Driver: BDA 4.4.1
4. TV Card:
4. TV Card Type:
4. TV Card Driver:
MPEG2 Video Codec:
MPEG2 Audio Codec:
Satelite/CableTV Provider:
HTPC Case:
Cooling:
Power Supply:
Remote:
TV:
TV - HTPC Connection: single seat (Server client on the same PC)

I have a problem while activating the "recording" tab in the tv-server. The log files are attached.
When I select the recoding tab nothing happens.
The problem has no reference to the client. That is why I did not add the client log files