nach update auf 291 _weak_escape() fehler

Hallo

nach einem update von 2.8.0 auf 2.9.1. bekomme ich folgenden Fehler:

Fatal error: Call to undefined function: _weak_escape() in /is/htdocs/user/http://www.user/xyz/wp-includes/wp-db.php on line 516

Was muss ich machen?

Vielen Dank für Eure Hilfe.

Hallo

Ich komme ja gar nicht mehr auf meine Seite, auch nicht in den admin Bereich. Plugins waren deaktiviert.

Oh sorry die Fehlermeldung unterschlagen zum admin bereich:
Warning: Cannot modify header information - headers already sent by (output started at /is/htdocs/user/http://www.user/xyz/wp-includes/wp-db.php:1146) in /is/htdocs/user/http://www.user/xyz/wp-includes/pluggable.php on line 868

Hi

Okay, anscheint habe ich wirklich nen Plugin übersehen :-(
Ich komme jetzt auf die Loginseite.
Allerdings habe ich da drüber noch folgende Fehler stehen:

Zitat

Warning: Cannot modify header information - headers already sent by (output started at /is/htdocs/user/http://www.user/xyz/wp-includes/wp-db.php:1146) in /is/htdocs/user/http://www.user/xyz/wp-login.php on line 302

Warning: Cannot modify header information - headers already sent by (output started at /is/htdocs/user/http://www.user/xyz/wp-includes/wp-db.php:1146) in /is/htdocs/user/http://www.user/xyz/wp-login.php on line 314

Wenn ich mich dort anmelde bekomme ich folgende Meldungen und weiter gehts dann nicht.

Zitat

function
Warning: Cannot modify header information - headers already sent by (output started at /is/htdocs/43269/http://www.schustercigars.de/wpkiste/wp-includes/wp-db.php:1146) in /is/htdocs/user/http://www.user/xyz/wp-login.php on line 302

Warning: Cannot modify header information - headers already sent by (output started at /is/htdocs/43269/http://www.schustercigars.de/wpkiste/wp-includes/wp-db.php:1146) in /is/htdocs/user/http://www.user/xyz/wp-login.php on line 314

Warning: Cannot modify header information - headers already sent by (output started at /is/htdocs/43269/http://www.schustercigars.de/wpkiste/wp-includes/wp-db.php:1146) in /is/htdocs/user/http://www.user/xyz/wp-includes/pluggable.php on line 674

Warning: Cannot modify header information - headers already sent by (output started at /is/htdocs/43269/http://www.schustercigars.de/wpkiste/wp-includes/wp-db.php:1146) in /is/htdocs/user/http://www.user/xyz/wp-includes/pluggable.php on line 675

Warning: Cannot modify header information - headers already sent by (output started at /is/htdocs/43269/http://www.schustercigars.de/wpkiste/wp-includes/wp-db.php:1146) in /is/htdocs/user/http://www.user/xyz/wp-includes/pluggable.php on line 676

Warning: Cannot modify header information - headers already sent by (output started at /is/htdocs/43269/http://www.schustercigars.de/wpkiste/wp-includes/wp-db.php:1146) in /is/htdocs/user/http://www.user/xyz/wp-includes/pluggable.php on line 868

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