phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './nico_dblaciru/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 ('86643e0a4abcbf63fbdee310486ea60c', -1, 1422526450, 1422526450, '36edf7ac', 1, 0, 0)

Line : 187
File : sessions.php