MySQL Error Occurred

Error Message:
145: Table './neal_cart2/CubeCart_sessions' is marked as crashed and should be repaired

SQL:
INSERT INTO CubeCart_sessions (`sessId`,`timeStart`,`timeLast`,`customer_id`,`ip`,`browser`) VALUES ('726c943c1b16fd5d976a5971ae369c93','1427771718','1427771718',0,'54.145.172.149','CCBot/2.0 (http://commoncrawl.org/faq/)');