MySQL Error Occurred

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

SQL:
INSERT INTO `CubeCart_sessions` (`sessId`,`timeStart`,`timeLast`,`customer_id`,`ip`,`browser`) VALUES ('0b6e213a128fbf8a41fb9745415cd998','1414787574','1414787574',0,'54.234.225.23','CCBot/2.0 (http://commoncrawl.org/faq/)');