[TYPO3-timtab] problem installing

[Frank Sonck]

Hello,

On a site with TYPO3 4.1.7 I get these errors when simply downloading 
and installing Timtab:

Warning: mysql_num_rows(): supplied argument is not a valid MySQL result 
resource in 
/var/www/mysite/httpdocs/typo3_src-4.1.7/t3lib/class.t3lib_db.php on 
line 783

Does anyone have a recent update on this?

Thank you,

Greetings,
Frank Sonck