SQLSTATE[42S01]: Base table or view already exists: 1050 Table 'ftp_exchange' already exists. Cannot update my repository

Question

 (
                `id` INTEGER NOT NULL AUTO_INCREMENT,
                `name` VARCHAR(255) NOT NULL,
                `type` VARCHAR(255) NOT NULL,
                `local_root_directory` VARCHAR(255),
                `local_directory` VARCHAR(255) NOT NULL,
                `remote_host` VARCHAR(255) NOT NULL,
                `remote_port` INTEGER DEFAULT 21 NOT NULL,
                `is_ssl` TINYINT DEFAULT 0 NOT NULL,
                `is_sftp` TINYINT DEFAULT 0 NOT NULL,
                `is_passive` TINYINT DEFAULT 1 NOT NULL,
                `timeout` INTEGER DEFAULT 30 NOT NULL,
                `username` VARCHAR(255) NOT NULL,
                `password` VARCHAR(255),
                `private_key` VARCHAR(255),
                `remote_directory` VARCHAR(255) NOT NULL,
                `is_recursive` TINYINT DEFAULT 0 NOT NULL,
                `is_delete_after_success` TINYINT DEFAULT 0 NOT NULL,
                `is_overwrite_existing` TINYINT DEFAULT 0 NOT NULL,
                `filename_pattern` VARCHAR(255) DEFAULT '.*' NOT NULL,
                `is_active` TINYINT DEFAULT 0 NOT NULL,
                `weekday` VARCHAR(255) DEFAULT '*' NOT NULL,
                `year` VARCHAR(255) DEFAULT '*' NOT NULL,
                `month` VARCHAR(255) DEFAULT '*' NOT NULL,
                `day` VARCHAR(255) DEFAULT '*' NOT NULL,
                `hour` VARCHAR(255) DEFAULT '*' NOT NULL,
                `minute` VARCHAR(255) DEFAULT '*' NOT NULL,
                PRIMARY KEY (`id`),
                UNIQUE INDEX `name_unique` (`name`)
            ) ENGINE=InnoDB". Aborting migration.

Problem

It gives an error after I importet a new table from a database dump. Could it be, that I importet the database twice. And if yes, how can fix this in my local repository? Thank you :-)