phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './why9work_phpbb1/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) VALUES ('0295cc94a8e4287de1c154d9a0996793', -1, 1475051387, 1475051387, '6ca2db71', -1, 0)

Line : 158
File : sessions.php