Probleme nach Server Umzug

Hallo liebe Drupal Gemeinde.
Ich bin mit meiner Drupal Installation auf einen neuen Server / Provider umgezogen.Ich habe die Datenbank mit Mysqldumper auf der neuen Datenbak wiederhergestellt und die gesamten Drupal Dateiem (alle Files) auf den Server übertragen.
Die setttings.php mit neuen sql Zugangsdaten erneuert.

Globals_register auf off gestzt , php5.2 (subphp)
Jetzt erhalte ich folgende Meldungen und bin etwas hilflos.
Wäre schön wenn jmd helfen könnte.

LG werner

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Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/www/web242/html/includes/database.mysql.inc:128) in /home/www/web242/html/includes/bootstrap.inc on line 1031

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Warning: Table 'usr_web242_1.drupalvariable' doesn't exist query: SELECT * FROM drupalvariable in /home/www/web242/html/includes/database.mysql.inc on line 128

Warning: Table 'usr_web242_1.drupalcache' doesn't exist query: UPDATE drupalcache SET data = '', created = 1253205048, expire = 0, headers = '', serialized = 0 WHERE cid = 'variables' in /home/www/web242/html/includes/database.mysql.inc on line 128

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