Help Please! Having trouble!

       [B]A fatal and unrecoverable database error has occurred. This may be because the specified user does not have appropriate permissions to CREATE TABLES or INSERT data, etc. Further information may be given below. Please contact your hosting provider in the first instance or the support forums of phpBB for further assistance.[/B]

     install_install.php [ 1193 ]
SQL : CREATE TABLE phpbb_attachments (     attach_id mediumint(8) UNSIGNED NOT NULL auto_increment,     post_msg_id mediumint(8) UNSIGNED DEFAULT '0' NOT NULL,     topic_id mediumint(8) UNSIGNED DEFAULT '0' NOT NULL,     in_message tinyint(1) UNSIGNED DEFAULT '0' NOT NULL,     poster_id mediumint(8) UNSIGNED DEFAULT '0' NOT NULL,     is_orphan tinyint(1) UNSIGNED DEFAULT '1' NOT NULL,     physical_filename varchar(255) DEFAULT '' NOT NULL,     real_filename varchar(255) DEFAULT '' NOT NULL,     download_count mediumint(8) UNSIGNED DEFAULT '0' NOT NULL,     attach_comment text NOT NULL,     extension varchar(100) DEFAULT '' NOT NULL,     mimetype varchar(100) DEFAULT '' NOT NULL,     filesize int(20) UNSIGNED DEFAULT '0' NOT NULL,     filetime int(11) UNSIGNED DEFAULT '0' NOT NULL,     thumbnail tinyint(1) UNSIGNED DEFAULT '0' NOT NULL,     PRIMARY KEY (attach_id),     KEY filetime (filetime),     KEY post_msg_id (post_msg_id),     KEY topic_id (topic_id),     KEY poster_id (poster_id),     KEY is_orphan (is_orphan) ) CHARACTER SET `utf8` COLLATE `utf8_bin`
[B]CREATE command denied to user 'tmnsheltons'@'97.74.215.127' for table 'phpbb_attachments'[/B]