phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './mayashan_phpb1/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('0e13011ad2b4caafb34208be8685c5ee', -1, 1474954205, 1474954205, '36a71dfe', 4, 0, 0)

Line : 187
File : sessions.php