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 ('3b56139059dd63fbeb7c1f860533b3ee','1539909821','1539909821',0,'54.80.87.166','CCBot/2.0 (https://commoncrawl.org/faq/)');