[TYPO3-UG Oesterreich] Backend login schlägt fehl

[Büchler Roland]

Hallo,
 
neues Thema ;-))   
 
nach Installation erhalte ich bei Backend (und Frontend) diese
Fehlermeldung:
 
BACKEND:
Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL result
resource in /var/www/html/t3/t3lib/class.t3lib_db.php on line 796
Warning: Cannot modify header information - headers already sent by (output
started at /var/www/html/t3/t3lib/class.t3lib_db.php:796) in
/var/www/html/t3/typo3/index.php on line 473
 
FRONTEND:
Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL result
resource in /var/www/html/t3/t3lib/class.t3lib_db.php on line 796
Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL result
resource in /var/www/html/t3/t3lib/class.t3lib_db.php on line 796
Warning: Cannot modify header information - headers already sent by (output
started at /var/www/html/t3/t3lib/class.t3lib_db.php:796) in
/var/www/html/t3/t3lib/class.t3lib_userauth.php on line 278
Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL result
resource in /var/www/html/t3/t3lib/class.t3lib_db.php on line 796
Warning: Cannot modify header information - headers already sent by (output
started at /var/www/html/t3/t3lib/class.t3lib_db.php:796) in
/var/www/html/t3/t3lib/class.t3lib_userauth.php on line 311
Warning: Cannot modify header information - headers already sent by (output
started at /var/www/html/t3/t3lib/class.t3lib_db.php:796) in
/var/www/html/t3/t3lib/class.t3lib_userauth.php on line 312
Warning: Cannot modify header information - headers already sent by (output
started at /var/www/html/t3/t3lib/class.t3lib_db.php:796) in
/var/www/html/t3/t3lib/class.t3lib_userauth.php on line 313
Warning: Cannot modify header information - headers already sent by (output
started at /var/www/html/t3/t3lib/class.t3lib_db.php:796) in
/var/www/html/t3/t3lib/class.t3lib_userauth.php on line 314
Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL result
resource in /var/www/html/t3/t3lib/class.t3lib_db.php on line 796
 
--> Error!No pages are found on the rootlevel!
 
 
 
wo setze ich hier an?
 
lg roland