phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './twcsg_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 ('40862de8a3e213422904fecf35f4b8c0', -1, 1427884391, 1427884391, '369ea42f', -1, 0, 0)

Line : 172
File : sessions.php