phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './lac_xmb1/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 ('5110032cd8febb62a0ad36b3e8517298', -1, 1501173802, 1501173802, '36c693dd', 0, 0, 0)

Line : 187
File : sessions.php