[TYPO3] Error with paste - TYPO3 4.2.1

[Frank Hüttner]

Hi,

i have the following error with a fresh TYPO3 4.2.1:

Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL 
result resource in 
/kunden/119071_73765/rp-hosting/3336/4436/typo3cms/typo3_src-4.2.1/t3lib/class.t3lib_db.php 
on line 808
Warning: Cannot modify header information - headers already sent by 
(output started at 
/kunden/119071_73765/rp-hosting/3336/4436/typo3cms/typo3_src-4.2.1/t3lib/class.t3lib_db.php:808) 
in 
/kunden/119071_73765/rp-hosting/3336/4436/typo3cms/typo3_src-4.2.1/typo3/tce_db.php 
on line 231

Can anybody help me?
Frank