Lots of errors

CREATE TABLE srm_rating ( container_id int NOT NULL, review_id int NOT NULL, ratingcategory VARCHAR(100), ratingvalue int NOT NULL, ratingpos int NOT NULL, FOREIGN KEY (container_id) REFERENCES srm_container(id), FOREIGN KEY (review_id) REFERENCES srm_reviews(id) ) DEFAULT CHARACTER SET utf8

WordPress database error: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘FOREIGN KEY (container_id) REFERENCES srm_container(id)’ at line 1]
ALTER TABLE srm_containerrating ADD COLUMN FOREIGN KEY (container_id) REFERENCES srm_container(id)

WordPress database error: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘FOREIGN KEY (container_id) REFERENCES srm_container(id)’ at line 1]
ALTER TABLE srm_reviews ADD COLUMN FOREIGN KEY (container_id) REFERENCES srm_container(id)

( ! ) Strict standards: Non-static method ReviewContainer::get_reviewcontainers() should not be called statically in C:\wamp\www\wp_development\wp-content\plugins\star-review-manager\admin\manage_reviewcontainers.php on line 19

( ! ) Warning: Invalid argument supplied for foreach() in C:\wamp\www\wp_development\wp-content\plugins\star-review-manager\admin\manage_reviewcontainers.php on line 20
https://www.ads-software.com/plugins/star-review-manager/