Step 2: Perform upgrade Beginning to decompress the archive. Finished decompressing the archive. File upgrade completed. Checking SQL permissions. Add new database index fud30_karma_i_mu to table fud30_karma_rate_track(msg_id,user_id). Fatal error: Uncaught exception 'Exception' with message '1913: [Microsoft][SQL Server Native Client 11.0][SQL Server]The operation failed because an index or statistics with name 'fud30_karma_i_mu' already exists on table 'fud30_karma_rate_track'. @ CREATE INDEX fud30_karma_i_mu ON fud30_karma_rate_track (msg_id,user_id)' in C:\inetpub\dhsforumtest\upgrade.php:178 Stack trace: #0 C:\inetpub\dhsforumtest\sql\sqlsrv\db.inc(97): fud_sql_error_handler('CREATE INDEX f...', '[Microsoft][SQL...', 1913, '12.00.4100') #1 C:\inetpub\dhsforumtest\include\dbadmin.inc(645): q('CREATE INDEX f...') #2 C:\inetpub\dhsforumtest\upgrade.php(961): create_index('fud30_karma_rat...', 'fud30_karma_i_m...', 0, 'msg_id,user_id') #3 {main} thrown in C:\inetpub\dhsforumtest\upgrade.php on line 178