MySQL Error Occurred

Error Message:
145: Table './dtrm0113_cubecart/CubeCart_sessions' is marked as crashed and should be repaired

SQL:
INSERT INTO `CubeCart_sessions` (`sessId`,`timeStart`,`timeLast`,`customer_id`,`ip`,`browser`) VALUES ('512d6c85c5a9f79822d5ed6b448eff87','1542402012','1542402012',0,'54.163.20.57','CCBot/2.0 (https://commoncrawl.org/faq/)');