[TYPO3] 4.1 update, errors in extension manager

[Simon Browning]

lots like below, and I can't import any extensions from the repository 
(can uploade though).

Did I miss something?

Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL 
result resource in /home/thqadmin/typo3_src-4.1/t3lib/class.t3lib_db.php 
on line 796

Warning: mysql_free_result(): supplied argument is not a valid MySQL 
result resource in /home/thqadmin/typo3_src-4.1/t3lib/class.t3lib_db.php 
on line 823

Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL 
result resource in /home/thqadmin/typo3_src-4.1/t3lib/class.t3lib_db.php 
on line 796

Warning: mysql_free_result(): supplied argument is not a valid MySQL 
result resource in /home/thqadmin/typo3_src-4.1/t3lib/class.t3lib_db.php 
on line 823

Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL 
result resource in /home/thqadmin/typo3_src-4.1/t3lib/class.t3lib_db.php 
on line 796

Warning: mysql_free_result(): supplied argument is not a valid MySQL 
result resource in /home/thqadmin/typo3_src-4.1/t3lib/class.t3lib_db.php 
on line 823

Simon