backend login

hallo
wenn ich mich ins backend einloggen will, erhalte ich folgende fehlermeldung:
Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL result resource in /home/httpd/vhosts/visarte-zentralschweiz.ch/httpdocs/user/t3lib/class.t3lib_db.php on line 802

Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL result resource in /home/httpd/vhosts/visarte-zentralschweiz.ch/httpdocs/user/t3lib/class.t3lib_db.php on line 802

Warning: Cannot modify header information - headers already sent by (output started at /home/httpd/vhosts/visarte-zentralschweiz.ch/httpdocs/user/t3lib/class.t3lib_db.php:802) in /home/httpd/vhosts/visarte-zentralschweiz.ch/httpdocs/user/t3lib/class.t3lib_userauth.php on line 311

Warning: Cannot modify header information - headers already sent by (output started at /home/httpd/vhosts/visarte-zentralschweiz.ch/httpdocs/user/t3lib/class.t3lib_db.php:802) in /home/httpd/vhosts/visarte-zentralschweiz.ch/httpdocs/user/t3lib/class.t3lib_userauth.php on line 312

Warning: Cannot modify header information - headers already sent by (output started at /home/httpd/vhosts/visarte-zentralschweiz.ch/httpdocs/user/t3lib/class.t3lib_db.php:802) in /home/httpd/vhosts/visarte-zentralschweiz.ch/httpdocs/user/t3lib/class.t3lib_userauth.php on line 313

Warning: Cannot modify header information - headers already sent by (output started at /home/httpd/vhosts/visarte-zentralschweiz.ch/httpdocs/user/t3lib/class.t3lib_db.php:802) in /home/httpd/vhosts/visarte-zentralschweiz.ch/httpdocs/user/t3lib/class.t3lib_userauth.php on line 314

Warning: Cannot modify header information - headers already sent by (output started at /home/httpd/vhosts/visarte-zentralschweiz.ch/httpdocs/user/t3lib/class.t3lib_db.php:802) in /home/httpd/vhosts/visarte-zentralschweiz.ch/httpdocs/user/typo3/template.php on line 613

Warning: session_start(): Cannot send session cookie - headers already sent by (output started at /home/httpd/vhosts/visarte-zentralschweiz.ch/httpdocs/user/t3lib/class.t3lib_db.php:802) in /home/httpd/vhosts/visarte-zentralschweiz.ch/httpdocs/user/typo3/index.php on line 240

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /home/httpd/vhosts/visarte-zentralschweiz.ch/httpdocs/user/t3lib/class.t3lib_db.php:802) in /home/httpd/vhosts/visarte-zentralschweiz.ch/httpdocs/user/typo3/index.php on line 240

was kann das sein
andres

Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL result resource in

keine verbindung zur datenbank? die installation ging normal? die seite selbst zeigt er an??

ja die installation ist, denke ich gelungen und verbindung zur db ist auch da!
die loginseite wird angezeigt.
andres

jetzt hats funktioniert!

Update required tables COMPARE

Hallo

Ich habe ein ähnliches Problem:

Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL result resource in /home/www/web487/html/foerderprogramm/t3lib/class.t3lib_db.php on line 796

Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL result resource in /home/www/web487/html/foerderprogramm/t3lib/class.t3lib_db.php on line 796

Warning: Cannot modify header information - headers already sent by (output started at /home/www/web487/html/foerderprogramm/t3lib/class.t3lib_db.php:796) in /home/www/web487/html/foerderprogramm/t3lib/class.t3lib_userauth.php on line 278

Warning: Cannot modify header information - headers already sent by (output started at /home/www/web487/html/foerderprogramm/t3lib/class.t3lib_db.php:796) in /home/www/web487/html/foerderprogramm/t3lib/class.t3lib_userauth.php on line 311

Warning: Cannot modify header information - headers already sent by (output started at /home/www/web487/html/foerderprogramm/t3lib/class.t3lib_db.php:796) in /home/www/web487/html/foerderprogramm/t3lib/class.t3lib_userauth.php on line 312

Warning: Cannot modify header information - headers already sent by (output started at /home/www/web487/html/foerderprogramm/t3lib/class.t3lib_db.php:796) in /home/www/web487/html/foerderprogramm/t3lib/class.t3lib_userauth.php on line 313

Warning: Cannot modify header information - headers already sent by (output started at /home/www/web487/html/foerderprogramm/t3lib/class.t3lib_db.php:796) in /home/www/web487/html/foerderprogramm/t3lib/class.t3lib_userauth.php on line 314

Warning: Cannot modify header information - headers already sent by (output started at /home/www/web487/html/foerderprogramm/t3lib/class.t3lib_db.php:796) in /home/www/web487/html/foerderprogramm/typo3/template.php on line 613

Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /home/www/web487/html/foerderprogramm/t3lib/class.t3lib_db.php:796) in /home/www/web487/html/foerderprogramm/typo3/index.php on line 240

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/www/web487/html/foerderprogramm/t3lib/class.t3lib_db.php:796) in /home/www/web487/html/foerderprogramm/typo3/index.php on line 240

Die Verbindung zur Datenbank funktioniert laut Config, die Login-Box fürs Backend erscheint auch, einloggen funktioniert allerdings nicht.

Hat jemand eine Lösung?
Ist das erste mal, dass ich Typo verwende...

Danke & Gruss
Greg

Edit: Habe die Lösung gefunden, die hat andres ja bereits hingeschrieben, ich habs natürlich nicht als Lösung identifiziert!

Hallo!

So sieht meine Variante aus:

Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL result resource in /bla/foo/bar/typo3cms/typo3sources/typo3_src-4.1.2/t3lib/class.t3lib_db.php on line 987

Der Fehler tritt nur dann auf, wenn ich auf "Media (DAM)" in meinem Extension-Manager (Install extensions) klicke. Die Extension ist global installiert, aber noch nicht aktiviert für diese T3-Installation.

Hat jemand eine Idee, wie der Fehler zustande kommt?

Danke.

Nachtrag:

Beide COMPAREs (DB (Update required tables) und TCA) schon versucht -- hat nicht geholfen...