I got another error:
[] Warning: Cannot add header information - headers already sent by (output started at /xxxxxxx/webseiten/mysterynews/index.php:2) in /xxxxxxx/webseiten/forum/ubbt.inc.php on line 1664
SQL ERROR: Unable to do_query: SELECT B_Number,B_Posted,B_Last_Post,B_Username,B_Subject,B_Body,B_Main,B_Replies,B_Counter,B_Board FROM w3t.Posts WHERE B_Number = B_Main AND B_Last_Post > '1032464179' AND (Bo_Read_Perm LIKE '%-3-%' OR Bo_Read_Perm LIKE '%-2-%' OR Bo_Read_Perm LIKE '%-5-%') ORDER BY B_Counter DESC LIMIT 10
Access denied for user: 'xxxxxxx@localhost' to database 'w3t' [/]