Can't create table (errno: 150) :: InnoDB

[Vikram Tambe]

i am getting error while creating table.
CREATE TABLE `music_media_rights` (
`mmr_id` DECIMAL(22, 0) NOT NULL,
`mmr_thing_id` DECIMAL(22, 0) NULL,
`mmr_music_id` DECIMAL(22, 0) NOT NULL,
`mmr_music_type_id` DECIMAL(22, 0) NOT NULL,
`mmr_media_id` DECIMAL(22, 0) NOT NULL,
`mmr_media_type_id` DECIMAL(22, 0) NOT NULL,
`mmr_work_stream_rights` DECIMAL(22, 0) NOT NULL DEFAULT 0,
`mmr_perf_stream_rights` DECIMAL(22, 0) NOT NULL DEFAULT 0,
`mmr_work_download_rights` DECIMAL(22, 0) NOT NULL DEFAULT 0,
`mmr_perf_download_rights` DECIMAL(22, 0) NOT NULL DEFAULT 0,
`mmr_work_podcast_rights` DECIMAL(22, 0) NOT NULL DEFAULT 0,
`mmr_perf_podcast_rights` DECIMAL(22, 0) NOT NULL DEFAULT 0,
`mmr_rel_type_id` DECIMAL(22, 0) NULL,
`mmr_notes` VARCHAR(4000) BINARY NULL,
PRIMARY KEY (`mmr_id`),
INDEX `idx_mmr_media_type_id` (`mmr_media_type_id`),
INDEX `idx_mmr_perf_download_rights` (`mmr_perf_download_rights`),
INDEX `idx_mmr_perf_podcast_rights` (`mmr_perf_podcast_rights`),
INDEX `idx_mmr_perf_stream_rights` (`mmr_perf_stream_rights`),
INDEX `idx_mmr_perf_download_rights` (`mmr_perf_download_rights`),
INDEX `idx_mmr_rel_type_id` (`mmr_rel_type_id`),
INDEX `idx_mmr_work_download_rights` (`mmr_work_download_rights`),
INDEX `idx_mmr_work_podcast_rights` (`mmr_work_podcast_rights`),
INDEX `idx_mmr_work_stream_rights` (`mmr_work_stream_rights`),
CONSTRAINT `fk_mmr_media_obj_id` FOREIGN KEY `fk_mmr_media_obj_id` (`mmr_media_type_id`)
REFERENCES `type_object` (`objtype_id`)
ON DELETE SET NULL
ON UPDATE NO ACTION,
CONSTRAINT `fk_mmr_music_obj_id` FOREIGN KEY `fk_mmr_music_obj_id` (`mmr_music_type_id`)
REFERENCES `type_object` (`objtype_id`)
ON DELETE SET NULL
ON UPDATE NO ACTION,
CONSTRAINT `fk_mmr_perf_download_rights` FOREIGN KEY `fk_mmr_perf_download_rights` (`mmr_perf_download_rights`)
REFERENCES `type_music_rights` (`music_rights_id`)
ON DELETE SET NULL
ON UPDATE NO ACTION,
CONSTRAINT `fk_mmr_perf_podcast_rights` FOREIGN KEY `fk_mmr_perf_podcast_rights` (`mmr_perf_podcast_rights`)
REFERENCES `type_music_rights` (`music_rights_id`)
ON DELETE SET NULL
ON UPDATE NO ACTION,
CONSTRAINT `fk_mmr_perf_stream_rights` FOREIGN KEY `fk_mmr_perf_stream_rights` (`mmr_perf_stream_rights`)
REFERENCES `type_music_rights` (`music_rights_id`)
ON DELETE SET NULL
ON UPDATE NO ACTION,
CONSTRAINT `fk_mmr_rel_type_id` FOREIGN KEY `fk_mmr_rel_type_id` (`mmr_rel_type_id`)
REFERENCES `type_music_media_relationship` (`music_media_rel_type_id`)
ON DELETE SET NULL
ON UPDATE NO ACTION,
CONSTRAINT `fk_mmr_work_download_rights` FOREIGN KEY `fk_mmr_work_download_rights` (`mmr_work_download_rights`)
REFERENCES `type_music_rights` (`music_rights_id`)
ON DELETE SET NULL
ON UPDATE NO ACTION,
CONSTRAINT `fk_mmr_work_podcast_rights` FOREIGN KEY `fk_mmr_work_podcast_rights` (`mmr_work_podcast_rights`)
REFERENCES `type_music_rights` (`music_rights_id`)
ON DELETE SET NULL
ON UPDATE NO ACTION,
CONSTRAINT `fk_mmr_work_stream_rights` FOREIGN KEY `fk_mmr_work_stream_rights` (`mmr_work_stream_rights`)
REFERENCES `type_music_rights` (`music_rights_id`)
ON DELETE SET NULL
ON UPDATE NO ACTION
)
ENGINE = INNODB

i am not able to figure where exectly i am doing wrong?
please help me !!!!!!!!