MySQL Error Occurred

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

SQL:
INSERT INTO CubeCart_sessions (`sessId`,`timeStart`,`timeLast`,`customer_id`,`ip`,`browser`) VALUES ('e84044e3c2d4dd4405b04e2e63aec0ec','1416982051','1416982051',0,'54.166.96.101','CCBot/2.0 (http://commoncrawl.org/faq/)');