phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './tattooty_tatforums/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 ('9c2583a631692c6a6f17872dccf37f65', -1, 1406893814, 1406893814, '36ea9354', 15, 0, 0)

Line : 187
File : sessions.php